Home / 9,998,146.56-13,797,421.18-5,414,453.76

Finding the Fourth Proportional to 9,998,146.56, 13,797,421.18 and 5,414,453.76

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Solution

The fourth proportional to 9,998,146.56, 13,797,421.18 and 5,414,453.76 is: 7,471,934.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998,146.56 : 13,797,421.18 = 5,414,453.76 : x
  2. Step 2: Convert to fraction form
    9,998,146.56/13,797,421.18 = 5,414,453.76/x
  3. Step 3: Cross multiply
    9,998,146.56x = 13,797,421.18 × 5,414,453.76
  4. Step 4: Simplify right side
    9,998,146.56x = 74,705,498,986,354.62
  5. Step 5: Solve for x
    x = 74,705,498,986,354.62/9,998,146.56
  6. Step 6: Final answer
    x = 7,471,934.78

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1.5x scale

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.