Home / 20,115,046.20-30,172,569.30-7,335,967.80

Finding the Fourth Proportional to 20,115,046.20, 30,172,569.30 and 7,335,967.80

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Solution

The fourth proportional to 20,115,046.20, 30,172,569.30 and 7,335,967.80 is: 11,003,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,115,046.20 : 30,172,569.30 = 7,335,967.80 : x
  2. Step 2: Convert to fraction form
    20,115,046.20/30,172,569.30 = 7,335,967.80/x
  3. Step 3: Cross multiply
    20,115,046.20x = 30,172,569.30 × 7,335,967.80
  4. Step 4: Simplify right side
    20,115,046.20x = 221,344,996,828,068.53
  5. Step 5: Solve for x
    x = 221,344,996,828,068.53/20,115,046.20
  6. Step 6: Final answer
    x = 11,003,951.70

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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.