Home / 16,787,712.70-25,181,569.05-8,266,285.90

Finding the Fourth Proportional to 16,787,712.70, 25,181,569.05 and 8,266,285.90

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Solution

The fourth proportional to 16,787,712.70, 25,181,569.05 and 8,266,285.90 is: 12,399,428.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787,712.70 : 25,181,569.05 = 8,266,285.90 : x
  2. Step 2: Convert to fraction form
    16,787,712.70/25,181,569.05 = 8,266,285.90/x
  3. Step 3: Cross multiply
    16,787,712.70x = 25,181,569.05 × 8,266,285.90
  4. Step 4: Simplify right side
    16,787,712.70x = 208,158,049,177,891.41
  5. Step 5: Solve for x
    x = 208,158,049,177,891.41/16,787,712.70
  6. Step 6: Final answer
    x = 12,399,428.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.