Home / 11,775,998.40-17,663,997.60-9,886,430.40

Finding the Fourth Proportional to 11,775,998.40, 17,663,997.60 and 9,886,430.40

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Solution

The fourth proportional to 11,775,998.40, 17,663,997.60 and 9,886,430.40 is: 14,829,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775,998.40 : 17,663,997.60 = 9,886,430.40 : x
  2. Step 2: Convert to fraction form
    11,775,998.40/17,663,997.60 = 9,886,430.40/x
  3. Step 3: Cross multiply
    11,775,998.40x = 17,663,997.60 × 9,886,430.40
  4. Step 4: Simplify right side
    11,775,998.40x = 174,633,882,858,167.06
  5. Step 5: Solve for x
    x = 174,633,882,858,167.06/11,775,998.40
  6. Step 6: Final answer
    x = 14,829,645.60

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Double scale
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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.