Home / 7,245,403.20-9,998,664.48-3,982,217.04

Finding the Fourth Proportional to 7,245,403.20, 9,998,664.48 and 3,982,217.04

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Solution

The fourth proportional to 7,245,403.20, 9,998,664.48 and 3,982,217.04 is: 5,495,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245,403.20 : 9,998,664.48 = 3,982,217.04 : x
  2. Step 2: Convert to fraction form
    7,245,403.20/9,998,664.48 = 3,982,217.04/x
  3. Step 3: Cross multiply
    7,245,403.20x = 9,998,664.48 × 3,982,217.04
  4. Step 4: Simplify right side
    7,245,403.20x = 39,816,852,069,498.74
  5. Step 5: Solve for x
    x = 39,816,852,069,498.74/7,245,403.20
  6. Step 6: Final answer
    x = 5,495,463.95

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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.