Home / 8,440,734.94-12,640,871.29-4,331,241.65

Finding the Fourth Proportional to 8,440,734.94, 12,640,871.29 and 4,331,241.65

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Solution

The fourth proportional to 8,440,734.94, 12,640,871.29 and 4,331,241.65 is: 6,486,481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440,734.94 : 12,640,871.29 = 4,331,241.65 : x
  2. Step 2: Convert to fraction form
    8,440,734.94/12,640,871.29 = 4,331,241.65/x
  3. Step 3: Cross multiply
    8,440,734.94x = 12,640,871.29 × 4,331,241.65
  4. Step 4: Simplify right side
    8,440,734.94x = 54,750,668,252,432.38
  5. Step 5: Solve for x
    x = 54,750,668,252,432.38/8,440,734.94
  6. Step 6: Final answer
    x = 6,486,481.17

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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.