Home / 20,672,471.69-31,006,343.75-5,527,584.17

Finding the Fourth Proportional to 20,672,471.69, 31,006,343.75 and 5,527,584.17

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Solution

The fourth proportional to 20,672,471.69, 31,006,343.75 and 5,527,584.17 is: 8,290,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,471.69 : 31,006,343.75 = 5,527,584.17 : x
  2. Step 2: Convert to fraction form
    20,672,471.69/31,006,343.75 = 5,527,584.17/x
  3. Step 3: Cross multiply
    20,672,471.69x = 31,006,343.75 × 5,527,584.17
  4. Step 4: Simplify right side
    20,672,471.69x = 171,390,174,882,078.44
  5. Step 5: Solve for x
    x = 171,390,174,882,078.44/20,672,471.69
  6. Step 6: Final answer
    x = 8,290,744.21

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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.