Home / 31,539,862.40-47,309,478.10-9,974,467.76

Finding the Fourth Proportional to 31,539,862.40, 47,309,478.10 and 9,974,467.76

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Solution

The fourth proportional to 31,539,862.40, 47,309,478.10 and 9,974,467.76 is: 14,961,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539,862.40 : 47,309,478.10 = 9,974,467.76 : x
  2. Step 2: Convert to fraction form
    31,539,862.40/47,309,478.10 = 9,974,467.76/x
  3. Step 3: Cross multiply
    31,539,862.40x = 47,309,478.10 × 9,974,467.76
  4. Step 4: Simplify right side
    31,539,862.40x = 471,886,863,789,392.50
  5. Step 5: Solve for x
    x = 471,886,863,789,392.50/31,539,862.40
  6. Step 6: Final answer
    x = 14,961,601.86

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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.