Home / 7,086,278.40-10,618,531.20-5,280,691.20

Finding the Fourth Proportional to 7,086,278.40, 10,618,531.20 and 5,280,691.20

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Solution

The fourth proportional to 7,086,278.40, 10,618,531.20 and 5,280,691.20 is: 7,912,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086,278.40 : 10,618,531.20 = 5,280,691.20 : x
  2. Step 2: Convert to fraction form
    7,086,278.40/10,618,531.20 = 5,280,691.20/x
  3. Step 3: Cross multiply
    7,086,278.40x = 10,618,531.20 × 5,280,691.20
  4. Step 4: Simplify right side
    7,086,278.40x = 56,073,184,264,765.44
  5. Step 5: Solve for x
    x = 56,073,184,264,765.44/7,086,278.40
  6. Step 6: Final answer
    x = 7,912,924.26

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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.