Home / 31,654,468.80-47,481,703.20-18,721,425.60

Finding the Fourth Proportional to 31,654,468.80, 47,481,703.20 and 18,721,425.60

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Solution

The fourth proportional to 31,654,468.80, 47,481,703.20 and 18,721,425.60 is: 28,082,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,654,468.80 : 47,481,703.20 = 18,721,425.60 : x
  2. Step 2: Convert to fraction form
    31,654,468.80/47,481,703.20 = 18,721,425.60/x
  3. Step 3: Cross multiply
    31,654,468.80x = 47,481,703.20 × 18,721,425.60
  4. Step 4: Simplify right side
    31,654,468.80x = 888,925,173,820,082
  5. Step 5: Solve for x
    x = 888,925,173,820,082/31,654,468.80
  6. Step 6: Final answer
    x = 28,082,138.40

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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.