Home / 6,687,989.40-9,229,479.54-3,632,225.52

Finding the Fourth Proportional to 6,687,989.40, 9,229,479.54 and 3,632,225.52

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Solution

The fourth proportional to 6,687,989.40, 9,229,479.54 and 3,632,225.52 is: 5,012,500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687,989.40 : 9,229,479.54 = 3,632,225.52 : x
  2. Step 2: Convert to fraction form
    6,687,989.40/9,229,479.54 = 3,632,225.52/x
  3. Step 3: Cross multiply
    6,687,989.40x = 9,229,479.54 × 3,632,225.52
  4. Step 4: Simplify right side
    6,687,989.40x = 33,523,551,121,505.86
  5. Step 5: Solve for x
    x = 33,523,551,121,505.86/6,687,989.40
  6. Step 6: Final answer
    x = 5,012,500.64

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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.