Home / 8,283,425.50-12,425,988.43-3,170,156.61

Finding the Fourth Proportional to 8,283,425.50, 12,425,988.43 and 3,170,156.61

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Solution

The fourth proportional to 8,283,425.50, 12,425,988.43 and 3,170,156.61 is: 4,755,560.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283,425.50 : 12,425,988.43 = 3,170,156.61 : x
  2. Step 2: Convert to fraction form
    8,283,425.50/12,425,988.43 = 3,170,156.61/x
  3. Step 3: Cross multiply
    8,283,425.50x = 12,425,988.43 × 3,170,156.61
  4. Step 4: Simplify right side
    8,283,425.50x = 39,392,329,357,148.02
  5. Step 5: Solve for x
    x = 39,392,329,357,148.02/8,283,425.50
  6. Step 6: Final answer
    x = 4,755,560.29

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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.