Home / 8,470,178.82-12,705,821.19-6,202,489.86

Finding the Fourth Proportional to 8,470,178.82, 12,705,821.19 and 6,202,489.86

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Solution

The fourth proportional to 8,470,178.82, 12,705,821.19 and 6,202,489.86 is: 9,304,139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470,178.82 : 12,705,821.19 = 6,202,489.86 : x
  2. Step 2: Convert to fraction form
    8,470,178.82/12,705,821.19 = 6,202,489.86/x
  3. Step 3: Cross multiply
    8,470,178.82x = 12,705,821.19 × 6,202,489.86
  4. Step 4: Simplify right side
    8,470,178.82x = 78,807,727,093,948.14
  5. Step 5: Solve for x
    x = 78,807,727,093,948.14/8,470,178.82
  6. Step 6: Final answer
    x = 9,304,139.71

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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.