Home / 9,985,772.20-13,780,756.56-5,855,229.04

Finding the Fourth Proportional to 9,985,772.20, 13,780,756.56 and 5,855,229.04

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Solution

The fourth proportional to 9,985,772.20, 13,780,756.56 and 5,855,229.04 is: 8,080,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985,772.20 : 13,780,756.56 = 5,855,229.04 : x
  2. Step 2: Convert to fraction form
    9,985,772.20/13,780,756.56 = 5,855,229.04/x
  3. Step 3: Cross multiply
    9,985,772.20x = 13,780,756.56 × 5,855,229.04
  4. Step 4: Simplify right side
    9,985,772.20x = 80,689,486,003,282.50
  5. Step 5: Solve for x
    x = 80,689,486,003,282.50/9,985,772.20
  6. Step 6: Final answer
    x = 8,080,445.30

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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.