Home / 31,723,938.39-47,588,428.70-13,528,288.90

Finding the Fourth Proportional to 31,723,938.39, 47,588,428.70 and 13,528,288.90

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Solution

The fourth proportional to 31,723,938.39, 47,588,428.70 and 13,528,288.90 is: 20,293,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,723,938.39 : 47,588,428.70 = 13,528,288.90 : x
  2. Step 2: Convert to fraction form
    31,723,938.39/47,588,428.70 = 13,528,288.90/x
  3. Step 3: Cross multiply
    31,723,938.39x = 47,588,428.70 × 13,528,288.90
  4. Step 4: Simplify right side
    31,723,938.39x = 643,790,011,783,379.62
  5. Step 5: Solve for x
    x = 643,790,011,783,379.62/31,723,938.39
  6. Step 6: Final answer
    x = 20,293,508.45

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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.