Home / 6,375,128.92-9,549,209.58-5,155,471.96

Finding the Fourth Proportional to 6,375,128.92, 9,549,209.58 and 5,155,471.96

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Solution

The fourth proportional to 6,375,128.92, 9,549,209.58 and 5,155,471.96 is: 7,722,303.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375,128.92 : 9,549,209.58 = 5,155,471.96 : x
  2. Step 2: Convert to fraction form
    6,375,128.92/9,549,209.58 = 5,155,471.96/x
  3. Step 3: Cross multiply
    6,375,128.92x = 9,549,209.58 × 5,155,471.96
  4. Step 4: Simplify right side
    6,375,128.92x = 49,230,682,229,853.38
  5. Step 5: Solve for x
    x = 49,230,682,229,853.38/6,375,128.92
  6. Step 6: Final answer
    x = 7,722,303.79

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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.