Home / 8,627,080.95-12,930,781.38-5,390,107

Finding the Fourth Proportional to 8,627,080.95, 12,930,781.38 and 5,390,107

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Solution

The fourth proportional to 8,627,080.95, 12,930,781.38 and 5,390,107 is: 8,079,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627,080.95 : 12,930,781.38 = 5,390,107 : x
  2. Step 2: Convert to fraction form
    8,627,080.95/12,930,781.38 = 5,390,107/x
  3. Step 3: Cross multiply
    8,627,080.95x = 12,930,781.38 × 5,390,107
  4. Step 4: Simplify right side
    8,627,080.95x = 69,698,295,231,807.66
  5. Step 5: Solve for x
    x = 69,698,295,231,807.66/8,627,080.95
  6. Step 6: Final answer
    x = 8,079,012.55

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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.