Home / 39,743,997.60-59,615,996.40-20,612,121.60

Finding the Fourth Proportional to 39,743,997.60, 59,615,996.40 and 20,612,121.60

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Solution

The fourth proportional to 39,743,997.60, 59,615,996.40 and 20,612,121.60 is: 30,918,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,743,997.60 : 59,615,996.40 = 20,612,121.60 : x
  2. Step 2: Convert to fraction form
    39,743,997.60/59,615,996.40 = 20,612,121.60/x
  3. Step 3: Cross multiply
    39,743,997.60x = 59,615,996.40 × 20,612,121.60
  4. Step 4: Simplify right side
    39,743,997.60x = 1,228,812,167,101,962.25
  5. Step 5: Solve for x
    x = 1,228,812,167,101,962.25/39,743,997.60
  6. Step 6: Final answer
    x = 30,918,182.40

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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.