Home / 14,011,610.40-21,017,415.60-7,943,997.60

Finding the Fourth Proportional to 14,011,610.40, 21,017,415.60 and 7,943,997.60

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Solution

The fourth proportional to 14,011,610.40, 21,017,415.60 and 7,943,997.60 is: 11,915,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011,610.40 : 21,017,415.60 = 7,943,997.60 : x
  2. Step 2: Convert to fraction form
    14,011,610.40/21,017,415.60 = 7,943,997.60/x
  3. Step 3: Cross multiply
    14,011,610.40x = 21,017,415.60 × 7,943,997.60
  4. Step 4: Simplify right side
    14,011,610.40x = 166,962,299,084,602.56
  5. Step 5: Solve for x
    x = 166,962,299,084,602.56/14,011,610.40
  6. Step 6: Final answer
    x = 11,915,996.40

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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.