Home / 8,797,411.20-13,196,116.80-5,438,179.20

Finding the Fourth Proportional to 8,797,411.20, 13,196,116.80 and 5,438,179.20

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Solution

The fourth proportional to 8,797,411.20, 13,196,116.80 and 5,438,179.20 is: 8,157,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797,411.20 : 13,196,116.80 = 5,438,179.20 : x
  2. Step 2: Convert to fraction form
    8,797,411.20/13,196,116.80 = 5,438,179.20/x
  3. Step 3: Cross multiply
    8,797,411.20x = 13,196,116.80 × 5,438,179.20
  4. Step 4: Simplify right side
    8,797,411.20x = 71,762,847,902,530.56
  5. Step 5: Solve for x
    x = 71,762,847,902,530.56/8,797,411.20
  6. Step 6: Final answer
    x = 8,157,268.80

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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.