Home / 12,520,612.56-17,278,133.64-7,013,950.92

Finding the Fourth Proportional to 12,520,612.56, 17,278,133.64 and 7,013,950.92

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Solution

The fourth proportional to 12,520,612.56, 17,278,133.64 and 7,013,950.92 is: 9,679,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,520,612.56 : 17,278,133.64 = 7,013,950.92 : x
  2. Step 2: Convert to fraction form
    12,520,612.56/17,278,133.64 = 7,013,950.92/x
  3. Step 3: Cross multiply
    12,520,612.56x = 17,278,133.64 × 7,013,950.92
  4. Step 4: Simplify right side
    12,520,612.56x = 121,187,981,340,160.95
  5. Step 5: Solve for x
    x = 121,187,981,340,160.95/12,520,612.56
  6. Step 6: Final answer
    x = 9,679,077.66

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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.