Home / 8,551,257.75-11,800,390.10-5,115,397.59

Finding the Fourth Proportional to 8,551,257.75, 11,800,390.10 and 5,115,397.59

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Solution

The fourth proportional to 8,551,257.75, 11,800,390.10 and 5,115,397.59 is: 7,059,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551,257.75 : 11,800,390.10 = 5,115,397.59 : x
  2. Step 2: Convert to fraction form
    8,551,257.75/11,800,390.10 = 5,115,397.59/x
  3. Step 3: Cross multiply
    8,551,257.75x = 11,800,390.10 × 5,115,397.59
  4. Step 4: Simplify right side
    8,551,257.75x = 60,363,687,053,022.88
  5. Step 5: Solve for x
    x = 60,363,687,053,022.88/8,551,257.75
  6. Step 6: Final answer
    x = 7,059,041.93

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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.