Home / 15,832,905.92-21,849,452.52-8,589,561.92

Finding the Fourth Proportional to 15,832,905.92, 21,849,452.52 and 8,589,561.92

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Solution

The fourth proportional to 15,832,905.92, 21,849,452.52 and 8,589,561.92 is: 11,853,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832,905.92 : 21,849,452.52 = 8,589,561.92 : x
  2. Step 2: Convert to fraction form
    15,832,905.92/21,849,452.52 = 8,589,561.92/x
  3. Step 3: Cross multiply
    15,832,905.92x = 21,849,452.52 × 8,589,561.92
  4. Step 4: Simplify right side
    15,832,905.92x = 187,677,225,338,640.03
  5. Step 5: Solve for x
    x = 187,677,225,338,640.03/15,832,905.92
  6. Step 6: Final answer
    x = 11,853,618.43

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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.