Home / 6,515,217.28-8,992,079.04-3,615,539.52

Finding the Fourth Proportional to 6,515,217.28, 8,992,079.04 and 3,615,539.52

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Solution

The fourth proportional to 6,515,217.28, 8,992,079.04 and 3,615,539.52 is: 4,990,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515,217.28 : 8,992,079.04 = 3,615,539.52 : x
  2. Step 2: Convert to fraction form
    6,515,217.28/8,992,079.04 = 3,615,539.52/x
  3. Step 3: Cross multiply
    6,515,217.28x = 8,992,079.04 × 3,615,539.52
  4. Step 4: Simplify right side
    6,515,217.28x = 32,511,217,136,083.66
  5. Step 5: Solve for x
    x = 32,511,217,136,083.66/6,515,217.28
  6. Step 6: Final answer
    x = 4,990,043.42

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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.