Home / 7,342,531.20-11,006,798.40-5,722,401.60

Finding the Fourth Proportional to 7,342,531.20, 11,006,798.40 and 5,722,401.60

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Solution

The fourth proportional to 7,342,531.20, 11,006,798.40 and 5,722,401.60 is: 8,578,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342,531.20 : 11,006,798.40 = 5,722,401.60 : x
  2. Step 2: Convert to fraction form
    7,342,531.20/11,006,798.40 = 5,722,401.60/x
  3. Step 3: Cross multiply
    7,342,531.20x = 11,006,798.40 × 5,722,401.60
  4. Step 4: Simplify right side
    7,342,531.20x = 62,985,320,775,037.44
  5. Step 5: Solve for x
    x = 62,985,320,775,037.44/7,342,531.20
  6. Step 6: Final answer
    x = 8,578,148.20

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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.