Home / 19,205,006.55-26,471,797.92-15,011,387.57

Finding the Fourth Proportional to 19,205,006.55, 26,471,797.92 and 15,011,387.57

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Solution

The fourth proportional to 19,205,006.55, 26,471,797.92 and 15,011,387.57 is: 20,691,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205,006.55 : 26,471,797.92 = 15,011,387.57 : x
  2. Step 2: Convert to fraction form
    19,205,006.55/26,471,797.92 = 15,011,387.57/x
  3. Step 3: Cross multiply
    19,205,006.55x = 26,471,797.92 × 15,011,387.57
  4. Step 4: Simplify right side
    19,205,006.55x = 397,378,418,318,019.38
  5. Step 5: Solve for x
    x = 397,378,418,318,019.38/19,205,006.55
  6. Step 6: Final answer
    x = 20,691,397.18

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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.