Home / 15,832,906.92-21,849,453.90-8,589,562.92

Finding the Fourth Proportional to 15,832,906.92, 21,849,453.90 and 8,589,562.92

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Solution

The fourth proportional to 15,832,906.92, 21,849,453.90 and 8,589,562.92 is: 11,853,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832,906.92 : 21,849,453.90 = 8,589,562.92 : x
  2. Step 2: Convert to fraction form
    15,832,906.92/21,849,453.90 = 8,589,562.92/x
  3. Step 3: Cross multiply
    15,832,906.92x = 21,849,453.90 × 8,589,562.92
  4. Step 4: Simplify right side
    15,832,906.92x = 187,677,259,041,689.38
  5. Step 5: Solve for x
    x = 187,677,259,041,689.38/15,832,906.92
  6. Step 6: Final answer
    x = 11,853,619.81

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Double scale
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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.