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Finding the Fourth Proportional to 16,133,978.46, 22,264,766.98 and 8,791,788.90

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Solution

The fourth proportional to 16,133,978.46, 22,264,766.98 and 8,791,788.90 is: 12,132,601.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,133,978.46 : 22,264,766.98 = 8,791,788.90 : x
  2. Step 2: Convert to fraction form
    16,133,978.46/22,264,766.98 = 8,791,788.90/x
  3. Step 3: Cross multiply
    16,133,978.46x = 22,264,766.98 × 8,791,788.90
  4. Step 4: Simplify right side
    16,133,978.46x = 195,747,131,195,850.53
  5. Step 5: Solve for x
    x = 195,747,131,195,850.53/16,133,978.46
  6. Step 6: Final answer
    x = 12,132,601.50

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1.5x scale

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.