Home / 20,342,877.13-30,518,518.31-6,696,843.91

Finding the Fourth Proportional to 20,342,877.13, 30,518,518.31 and 6,696,843.91

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Solution

The fourth proportional to 20,342,877.13, 30,518,518.31 and 6,696,843.91 is: 10,046,649.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342,877.13 : 30,518,518.31 = 6,696,843.91 : x
  2. Step 2: Convert to fraction form
    20,342,877.13/30,518,518.31 = 6,696,843.91/x
  3. Step 3: Cross multiply
    20,342,877.13x = 30,518,518.31 × 6,696,843.91
  4. Step 4: Simplify right side
    20,342,877.13x = 204,377,753,468,890.59
  5. Step 5: Solve for x
    x = 204,377,753,468,890.59/20,342,877.13
  6. Step 6: Final answer
    x = 10,046,649.36

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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.