Home / 7,802,040.40-11,687,314.20-4,432,310.80

Finding the Fourth Proportional to 7,802,040.40, 11,687,314.20 and 4,432,310.80

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Solution

The fourth proportional to 7,802,040.40, 11,687,314.20 and 4,432,310.80 is: 6,639,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802,040.40 : 11,687,314.20 = 4,432,310.80 : x
  2. Step 2: Convert to fraction form
    7,802,040.40/11,687,314.20 = 4,432,310.80/x
  3. Step 3: Cross multiply
    7,802,040.40x = 11,687,314.20 × 4,432,310.80
  4. Step 4: Simplify right side
    7,802,040.40x = 51,801,808,951,653.35
  5. Step 5: Solve for x
    x = 51,801,808,951,653.35/7,802,040.40
  6. Step 6: Final answer
    x = 6,639,520.73

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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.