Home / 8,065,793.74-11,128,407.52-4,799,990.38

Finding the Fourth Proportional to 8,065,793.74, 11,128,407.52 and 4,799,990.38

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Solution

The fourth proportional to 8,065,793.74, 11,128,407.52 and 4,799,990.38 is: 6,622,565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,793.74 : 11,128,407.52 = 4,799,990.38 : x
  2. Step 2: Convert to fraction form
    8,065,793.74/11,128,407.52 = 4,799,990.38/x
  3. Step 3: Cross multiply
    8,065,793.74x = 11,128,407.52 × 4,799,990.38
  4. Step 4: Simplify right side
    8,065,793.74x = 53,416,249,040,719.66
  5. Step 5: Solve for x
    x = 53,416,249,040,719.66/8,065,793.74
  6. Step 6: Final answer
    x = 6,622,565.71

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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.