Home / 31,972,752.76-47,938,509.30-12,543,942.33

Finding the Fourth Proportional to 31,972,752.76, 47,938,509.30 and 12,543,942.33

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Solution

The fourth proportional to 31,972,752.76, 47,938,509.30 and 12,543,942.33 is: 18,807,823.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972,752.76 : 47,938,509.30 = 12,543,942.33 : x
  2. Step 2: Convert to fraction form
    31,972,752.76/47,938,509.30 = 12,543,942.33/x
  3. Step 3: Cross multiply
    31,972,752.76x = 47,938,509.30 × 12,543,942.33
  4. Step 4: Simplify right side
    31,972,752.76x = 601,337,895,861,244.88
  5. Step 5: Solve for x
    x = 601,337,895,861,244.88/31,972,752.76
  6. Step 6: Final answer
    x = 18,807,823.66

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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.