Home / 21,737,488.12-29,998,041.70-11,948,837.40

Finding the Fourth Proportional to 21,737,488.12, 29,998,041.70 and 11,948,837.40

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Solution

The fourth proportional to 21,737,488.12, 29,998,041.70 and 11,948,837.40 is: 16,489,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737,488.12 : 29,998,041.70 = 11,948,837.40 : x
  2. Step 2: Convert to fraction form
    21,737,488.12/29,998,041.70 = 11,948,837.40/x
  3. Step 3: Cross multiply
    21,737,488.12x = 29,998,041.70 × 11,948,837.40
  4. Step 4: Simplify right side
    21,737,488.12x = 358,441,722,591,719.56
  5. Step 5: Solve for x
    x = 358,441,722,591,719.56/21,737,488.12
  6. Step 6: Final answer
    x = 16,489,564.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.