Home / 31,473,402.50-47,207,936.80-19,344,737.90

Finding the Fourth Proportional to 31,473,402.50, 47,207,936.80 and 19,344,737.90

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Solution

The fourth proportional to 31,473,402.50, 47,207,936.80 and 19,344,737.90 is: 29,015,774.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473,402.50 : 47,207,936.80 = 19,344,737.90 : x
  2. Step 2: Convert to fraction form
    31,473,402.50/47,207,936.80 = 19,344,737.90/x
  3. Step 3: Cross multiply
    31,473,402.50x = 47,207,936.80 × 19,344,737.90
  4. Step 4: Simplify right side
    31,473,402.50x = 913,225,164,195,764.62
  5. Step 5: Solve for x
    x = 913,225,164,195,764.62/31,473,402.50
  6. Step 6: Final answer
    x = 29,015,774.96

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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.