Home / 12,098,689.60-18,148,034.40-5,367,103.60

Finding the Fourth Proportional to 12,098,689.60, 18,148,034.40 and 5,367,103.60

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Solution

The fourth proportional to 12,098,689.60, 18,148,034.40 and 5,367,103.60 is: 8,050,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,689.60 : 18,148,034.40 = 5,367,103.60 : x
  2. Step 2: Convert to fraction form
    12,098,689.60/18,148,034.40 = 5,367,103.60/x
  3. Step 3: Cross multiply
    12,098,689.60x = 18,148,034.40 × 5,367,103.60
  4. Step 4: Simplify right side
    12,098,689.60x = 97,402,380,761,163.83
  5. Step 5: Solve for x
    x = 97,402,380,761,163.83/12,098,689.60
  6. Step 6: Final answer
    x = 8,050,655.40

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Similar ratio
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1.5x scale

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.