Home / 7,148,048.38-9,864,306.98-3,884,871.04

Finding the Fourth Proportional to 7,148,048.38, 9,864,306.98 and 3,884,871.04

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Solution

The fourth proportional to 7,148,048.38, 9,864,306.98 and 3,884,871.04 is: 5,361,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,048.38 : 9,864,306.98 = 3,884,871.04 : x
  2. Step 2: Convert to fraction form
    7,148,048.38/9,864,306.98 = 3,884,871.04/x
  3. Step 3: Cross multiply
    7,148,048.38x = 9,864,306.98 × 3,884,871.04
  4. Step 4: Simplify right side
    7,148,048.38x = 38,321,560,516,271.86
  5. Step 5: Solve for x
    x = 38,321,560,516,271.86/7,148,048.38
  6. Step 6: Final answer
    x = 5,361,122.15

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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.