Home / 21,019,099.40-29,006,375.24-11,726,670.92

Finding the Fourth Proportional to 21,019,099.40, 29,006,375.24 and 11,726,670.92

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Solution

The fourth proportional to 21,019,099.40, 29,006,375.24 and 11,726,670.92 is: 16,182,815.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,019,099.40 : 29,006,375.24 = 11,726,670.92 : x
  2. Step 2: Convert to fraction form
    21,019,099.40/29,006,375.24 = 11,726,670.92/x
  3. Step 3: Cross multiply
    21,019,099.40x = 29,006,375.24 × 11,726,670.92
  4. Step 4: Simplify right side
    21,019,099.40x = 340,148,217,021,516
  5. Step 5: Solve for x
    x = 340,148,217,021,516/21,019,099.40
  6. Step 6: Final answer
    x = 16,182,815.95

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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.