Home / 8,739,012.46-12,061,257.75-5,257,869.79

Finding the Fourth Proportional to 8,739,012.46, 12,061,257.75 and 5,257,869.79

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Solution

The fourth proportional to 8,739,012.46, 12,061,257.75 and 5,257,869.79 is: 7,256,714.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739,012.46 : 12,061,257.75 = 5,257,869.79 : x
  2. Step 2: Convert to fraction form
    8,739,012.46/12,061,257.75 = 5,257,869.79/x
  3. Step 3: Cross multiply
    8,739,012.46x = 12,061,257.75 × 5,257,869.79
  4. Step 4: Simplify right side
    8,739,012.46x = 63,416,522,753,128.38
  5. Step 5: Solve for x
    x = 63,416,522,753,128.38/8,739,012.46
  6. Step 6: Final answer
    x = 7,256,714.99

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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.