Home / 16,062,136.80-22,166,134.31-8,720,279.38

Finding the Fourth Proportional to 16,062,136.80, 22,166,134.31 and 8,720,279.38

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Solution

The fourth proportional to 16,062,136.80, 22,166,134.31 and 8,720,279.38 is: 12,034,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,062,136.80 : 22,166,134.31 = 8,720,279.38 : x
  2. Step 2: Convert to fraction form
    16,062,136.80/22,166,134.31 = 8,720,279.38/x
  3. Step 3: Cross multiply
    16,062,136.80x = 22,166,134.31 × 8,720,279.38
  4. Step 4: Simplify right side
    16,062,136.80x = 193,294,883,957,803.53
  5. Step 5: Solve for x
    x = 193,294,883,957,803.53/16,062,136.80
  6. Step 6: Final answer
    x = 12,034,194.85

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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.