Home / 31,882,057.20-47,823,085.80-12,715,772.40

Finding the Fourth Proportional to 31,882,057.20, 47,823,085.80 and 12,715,772.40

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Solution

The fourth proportional to 31,882,057.20, 47,823,085.80 and 12,715,772.40 is: 19,073,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,882,057.20 : 47,823,085.80 = 12,715,772.40 : x
  2. Step 2: Convert to fraction form
    31,882,057.20/47,823,085.80 = 12,715,772.40/x
  3. Step 3: Cross multiply
    31,882,057.20x = 47,823,085.80 × 12,715,772.40
  4. Step 4: Simplify right side
    31,882,057.20x = 608,107,474,498,471.88
  5. Step 5: Solve for x
    x = 608,107,474,498,471.88/31,882,057.20
  6. Step 6: Final answer
    x = 19,073,658.60

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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.