Home / 17,217,731.52-23,762,147.78-12,859,251.02

Finding the Fourth Proportional to 17,217,731.52, 23,762,147.78 and 12,859,251.02

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Solution

The fourth proportional to 17,217,731.52, 23,762,147.78 and 12,859,251.02 is: 17,747,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,217,731.52 : 23,762,147.78 = 12,859,251.02 : x
  2. Step 2: Convert to fraction form
    17,217,731.52/23,762,147.78 = 12,859,251.02/x
  3. Step 3: Cross multiply
    17,217,731.52x = 23,762,147.78 × 12,859,251.02
  4. Step 4: Simplify right side
    17,217,731.52x = 305,563,423,077,355.75
  5. Step 5: Solve for x
    x = 305,563,423,077,355.75/17,217,731.52
  6. Step 6: Final answer
    x = 17,747,019.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.