Home / 8,587,387.20-11,851,715.52-5,540,465.28

Finding the Fourth Proportional to 8,587,387.20, 11,851,715.52 and 5,540,465.28

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Solution

The fourth proportional to 8,587,387.20, 11,851,715.52 and 5,540,465.28 is: 7,646,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587,387.20 : 11,851,715.52 = 5,540,465.28 : x
  2. Step 2: Convert to fraction form
    8,587,387.20/11,851,715.52 = 5,540,465.28/x
  3. Step 3: Cross multiply
    8,587,387.20x = 11,851,715.52 × 5,540,465.28
  4. Step 4: Simplify right side
    8,587,387.20x = 65,664,018,346,997.15
  5. Step 5: Solve for x
    x = 65,664,018,346,997.15/8,587,387.20
  6. Step 6: Final answer
    x = 7,646,565.46

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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.