Home / 8,449,315.20-12,680,193.60-3,404,246.40

Finding the Fourth Proportional to 8,449,315.20, 12,680,193.60 and 3,404,246.40

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Solution

The fourth proportional to 8,449,315.20, 12,680,193.60 and 3,404,246.40 is: 5,108,875.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,315.20 : 12,680,193.60 = 3,404,246.40 : x
  2. Step 2: Convert to fraction form
    8,449,315.20/12,680,193.60 = 3,404,246.40/x
  3. Step 3: Cross multiply
    8,449,315.20x = 12,680,193.60 × 3,404,246.40
  4. Step 4: Simplify right side
    8,449,315.20x = 43,166,503,414,103.04
  5. Step 5: Solve for x
    x = 43,166,503,414,103.04/8,449,315.20
  6. Step 6: Final answer
    x = 5,108,875.97

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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.