Home / 12,415,101.90-17,123,134.62-8,065,589.64

Finding the Fourth Proportional to 12,415,101.90, 17,123,134.62 and 8,065,589.64

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Solution

The fourth proportional to 12,415,101.90, 17,123,134.62 and 8,065,589.64 is: 11,124,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,101.90 : 17,123,134.62 = 8,065,589.64 : x
  2. Step 2: Convert to fraction form
    12,415,101.90/17,123,134.62 = 8,065,589.64/x
  3. Step 3: Cross multiply
    12,415,101.90x = 17,123,134.62 × 8,065,589.64
  4. Step 4: Simplify right side
    12,415,101.90x = 138,108,177,195,397.34
  5. Step 5: Solve for x
    x = 138,108,177,195,397.34/12,415,101.90
  6. Step 6: Final answer
    x = 11,124,208.11

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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.