Home / 21,455,545.20-29,608,429.73-15,973,436.04

Finding the Fourth Proportional to 21,455,545.20, 29,608,429.73 and 15,973,436.04

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Solution

The fourth proportional to 21,455,545.20, 29,608,429.73 and 15,973,436.04 is: 22,043,175.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,455,545.20 : 29,608,429.73 = 15,973,436.04 : x
  2. Step 2: Convert to fraction form
    21,455,545.20/29,608,429.73 = 15,973,436.04/x
  3. Step 3: Cross multiply
    21,455,545.20x = 29,608,429.73 × 15,973,436.04
  4. Step 4: Simplify right side
    21,455,545.20x = 472,948,358,536,989.44
  5. Step 5: Solve for x
    x = 472,948,358,536,989.44/21,455,545.20
  6. Step 6: Final answer
    x = 22,043,175.98

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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.