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Finding the Fourth Proportional to 6,866,432.80, 10,304,314.80 and 3,833,792.80

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Solution

The fourth proportional to 6,866,432.80, 10,304,314.80 and 3,833,792.80 is: 5,753,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866,432.80 : 10,304,314.80 = 3,833,792.80 : x
  2. Step 2: Convert to fraction form
    6,866,432.80/10,304,314.80 = 3,833,792.80/x
  3. Step 3: Cross multiply
    6,866,432.80x = 10,304,314.80 × 3,833,792.80
  4. Step 4: Simplify right side
    6,866,432.80x = 39,504,607,889,173.44
  5. Step 5: Solve for x
    x = 39,504,607,889,173.44/6,866,432.80
  6. Step 6: Final answer
    x = 5,753,294.18

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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.