Home / 12,825,520.85-17,700,390.89-7,025,137.58

Finding the Fourth Proportional to 12,825,520.85, 17,700,390.89 and 7,025,137.58

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Solution

The fourth proportional to 12,825,520.85, 17,700,390.89 and 7,025,137.58 is: 9,695,331.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825,520.85 : 17,700,390.89 = 7,025,137.58 : x
  2. Step 2: Convert to fraction form
    12,825,520.85/17,700,390.89 = 7,025,137.58/x
  3. Step 3: Cross multiply
    12,825,520.85x = 17,700,390.89 × 7,025,137.58
  4. Step 4: Simplify right side
    12,825,520.85x = 124,347,681,098,401.02
  5. Step 5: Solve for x
    x = 124,347,681,098,401.02/12,825,520.85
  6. Step 6: Final answer
    x = 9,695,331.88

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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.