Home / 11,361,639.80-15,679,080.42-6,466,861.78

Finding the Fourth Proportional to 11,361,639.80, 15,679,080.42 and 6,466,861.78

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Solution

The fourth proportional to 11,361,639.80, 15,679,080.42 and 6,466,861.78 is: 8,924,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361,639.80 : 15,679,080.42 = 6,466,861.78 : x
  2. Step 2: Convert to fraction form
    11,361,639.80/15,679,080.42 = 6,466,861.78/x
  3. Step 3: Cross multiply
    11,361,639.80x = 15,679,080.42 × 6,466,861.78
  4. Step 4: Simplify right side
    11,361,639.80x = 101,394,445,913,644.34
  5. Step 5: Solve for x
    x = 101,394,445,913,644.34/11,361,639.80
  6. Step 6: Final answer
    x = 8,924,279.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.