Home / 8,052,139.20-12,070,335.60-7,201,833.60

Finding the Fourth Proportional to 8,052,139.20, 12,070,335.60 and 7,201,833.60

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Solution

The fourth proportional to 8,052,139.20, 12,070,335.60 and 7,201,833.60 is: 10,795,708.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052,139.20 : 12,070,335.60 = 7,201,833.60 : x
  2. Step 2: Convert to fraction form
    8,052,139.20/12,070,335.60 = 7,201,833.60/x
  3. Step 3: Cross multiply
    8,052,139.20x = 12,070,335.60 × 7,201,833.60
  4. Step 4: Simplify right side
    8,052,139.20x = 86,928,548,487,356.16
  5. Step 5: Solve for x
    x = 86,928,548,487,356.16/8,052,139.20
  6. Step 6: Final answer
    x = 10,795,708.61

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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.