Home / 20,732,538.10-31,098,807.15-9,948,003.70

Finding the Fourth Proportional to 20,732,538.10, 31,098,807.15 and 9,948,003.70

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Solution

The fourth proportional to 20,732,538.10, 31,098,807.15 and 9,948,003.70 is: 14,922,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,538.10 : 31,098,807.15 = 9,948,003.70 : x
  2. Step 2: Convert to fraction form
    20,732,538.10/31,098,807.15 = 9,948,003.70/x
  3. Step 3: Cross multiply
    20,732,538.10x = 31,098,807.15 × 9,948,003.70
  4. Step 4: Simplify right side
    20,732,538.10x = 309,371,048,593,786.44
  5. Step 5: Solve for x
    x = 309,371,048,593,786.44/20,732,538.10
  6. Step 6: Final answer
    x = 14,922,005.55

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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.