Home / 22,500,891.28-31,051,231.03-12,187,614.38

Finding the Fourth Proportional to 22,500,891.28, 31,051,231.03 and 12,187,614.38

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Solution

The fourth proportional to 22,500,891.28, 31,051,231.03 and 12,187,614.38 is: 16,818,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,500,891.28 : 31,051,231.03 = 12,187,614.38 : x
  2. Step 2: Convert to fraction form
    22,500,891.28/31,051,231.03 = 12,187,614.38/x
  3. Step 3: Cross multiply
    22,500,891.28x = 31,051,231.03 × 12,187,614.38
  4. Step 4: Simplify right side
    22,500,891.28x = 378,440,429,677,908.56
  5. Step 5: Solve for x
    x = 378,440,429,677,908.56/22,500,891.28
  6. Step 6: Final answer
    x = 16,818,908.41

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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.