Home / 22,255,171.80-30,696,803.15-15,653,761.17

Finding the Fourth Proportional to 22,255,171.80, 30,696,803.15 and 15,653,761.17

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Solution

The fourth proportional to 22,255,171.80, 30,696,803.15 and 15,653,761.17 is: 21,591,404.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255,171.80 : 30,696,803.15 = 15,653,761.17 : x
  2. Step 2: Convert to fraction form
    22,255,171.80/30,696,803.15 = 15,653,761.17/x
  3. Step 3: Cross multiply
    22,255,171.80x = 30,696,803.15 × 15,653,761.17
  4. Step 4: Simplify right side
    22,255,171.80x = 480,520,425,192,603.69
  5. Step 5: Solve for x
    x = 480,520,425,192,603.69/22,255,171.80
  6. Step 6: Final answer
    x = 21,591,404.89

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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.