Home / 12,758,028.10-17,598,251.51-8,166,377.86

Finding the Fourth Proportional to 12,758,028.10, 17,598,251.51 and 8,166,377.86

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Solution

The fourth proportional to 12,758,028.10, 17,598,251.51 and 8,166,377.86 is: 11,264,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758,028.10 : 17,598,251.51 = 8,166,377.86 : x
  2. Step 2: Convert to fraction form
    12,758,028.10/17,598,251.51 = 8,166,377.86/x
  3. Step 3: Cross multiply
    12,758,028.10x = 17,598,251.51 × 8,166,377.86
  4. Step 4: Simplify right side
    12,758,028.10x = 143,713,971,465,143.69
  5. Step 5: Solve for x
    x = 143,713,971,465,143.69/12,758,028.10
  6. Step 6: Final answer
    x = 11,264,591.23

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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.