Home / 31,939,197.30-47,891,299.95-15,729,503.22

Finding the Fourth Proportional to 31,939,197.30, 47,891,299.95 and 15,729,503.22

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Solution

The fourth proportional to 31,939,197.30, 47,891,299.95 and 15,729,503.22 is: 23,585,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,939,197.30 : 47,891,299.95 = 15,729,503.22 : x
  2. Step 2: Convert to fraction form
    31,939,197.30/47,891,299.95 = 15,729,503.22/x
  3. Step 3: Cross multiply
    31,939,197.30x = 47,891,299.95 × 15,729,503.22
  4. Step 4: Simplify right side
    31,939,197.30x = 753,306,356,773,510.88
  5. Step 5: Solve for x
    x = 753,306,356,773,510.88/31,939,197.30
  6. Step 6: Final answer
    x = 23,585,638.35

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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.