Home / 7,775,997.60-11,663,996.40-7,421,703.60

Finding the Fourth Proportional to 7,775,997.60, 11,663,996.40 and 7,421,703.60

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Solution

The fourth proportional to 7,775,997.60, 11,663,996.40 and 7,421,703.60 is: 11,132,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775,997.60 : 11,663,996.40 = 7,421,703.60 : x
  2. Step 2: Convert to fraction form
    7,775,997.60/11,663,996.40 = 7,421,703.60/x
  3. Step 3: Cross multiply
    7,775,997.60x = 11,663,996.40 × 7,421,703.60
  4. Step 4: Simplify right side
    7,775,997.60x = 86,566,724,072,267.03
  5. Step 5: Solve for x
    x = 86,566,724,072,267.03/7,775,997.60
  6. Step 6: Final answer
    x = 11,132,555.40

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Half scale
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Double scale
Find fourth proportional to 7,775,998.60, 11,663,997.90 and 7,421,704.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.