Home / 31,704,964.61-47,476,713.24-20,889,475.92

Finding the Fourth Proportional to 31,704,964.61, 47,476,713.24 and 20,889,475.92

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Solution

The fourth proportional to 31,704,964.61, 47,476,713.24 and 20,889,475.92 is: 31,281,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,704,964.61 : 47,476,713.24 = 20,889,475.92 : x
  2. Step 2: Convert to fraction form
    31,704,964.61/47,476,713.24 = 20,889,475.92/x
  3. Step 3: Cross multiply
    31,704,964.61x = 47,476,713.24 × 20,889,475.92
  4. Step 4: Simplify right side
    31,704,964.61x = 991,763,657,987,725.25
  5. Step 5: Solve for x
    x = 991,763,657,987,725.25/31,704,964.61
  6. Step 6: Final answer
    x = 31,281,020.82

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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.