Home / 16,131,463.44-22,261,139.22-8,789,356.90

Finding the Fourth Proportional to 16,131,463.44, 22,261,139.22 and 8,789,356.90

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Solution

The fourth proportional to 16,131,463.44, 22,261,139.22 and 8,789,356.90 is: 12,129,159.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,131,463.44 : 22,261,139.22 = 8,789,356.90 : x
  2. Step 2: Convert to fraction form
    16,131,463.44/22,261,139.22 = 8,789,356.90/x
  3. Step 3: Cross multiply
    16,131,463.44x = 22,261,139.22 × 8,789,356.90
  4. Step 4: Simplify right side
    16,131,463.44x = 195,661,097,605,167.62
  5. Step 5: Solve for x
    x = 195,661,097,605,167.62/16,131,463.44
  6. Step 6: Final answer
    x = 12,129,159.78

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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.