Home / 6,863,121.18-9,471,078.36-3,807,335.43

Finding the Fourth Proportional to 6,863,121.18, 9,471,078.36 and 3,807,335.43

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Solution

The fourth proportional to 6,863,121.18, 9,471,078.36 and 3,807,335.43 is: 5,254,106.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,863,121.18 : 9,471,078.36 = 3,807,335.43 : x
  2. Step 2: Convert to fraction form
    6,863,121.18/9,471,078.36 = 3,807,335.43/x
  3. Step 3: Cross multiply
    6,863,121.18x = 9,471,078.36 × 3,807,335.43
  4. Step 4: Simplify right side
    6,863,121.18x = 36,059,572,200,334.30
  5. Step 5: Solve for x
    x = 36,059,572,200,334.30/6,863,121.18
  6. Step 6: Final answer
    x = 5,254,106.88

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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.