Home / 20,902,104.27-31,363,428.02-9,395,701.31

Finding the Fourth Proportional to 20,902,104.27, 31,363,428.02 and 9,395,701.31

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Solution

The fourth proportional to 20,902,104.27, 31,363,428.02 and 9,395,701.31 is: 14,098,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,902,104.27 : 31,363,428.02 = 9,395,701.31 : x
  2. Step 2: Convert to fraction form
    20,902,104.27/31,363,428.02 = 9,395,701.31/x
  3. Step 3: Cross multiply
    20,902,104.27x = 31,363,428.02 × 9,395,701.31
  4. Step 4: Simplify right side
    20,902,104.27x = 294,681,401,765,034.75
  5. Step 5: Solve for x
    x = 294,681,401,765,034.75/20,902,104.27
  6. Step 6: Final answer
    x = 14,098,169.16

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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.