Home / 15,061,959.60-20,785,714.68-8,186,439.60

Finding the Fourth Proportional to 15,061,959.60, 20,785,714.68 and 8,186,439.60

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Solution

The fourth proportional to 15,061,959.60, 20,785,714.68 and 8,186,439.60 is: 11,297,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,061,959.60 : 20,785,714.68 = 8,186,439.60 : x
  2. Step 2: Convert to fraction form
    15,061,959.60/20,785,714.68 = 8,186,439.60/x
  3. Step 3: Cross multiply
    15,061,959.60x = 20,785,714.68 × 8,186,439.60
  4. Step 4: Simplify right side
    15,061,959.60x = 170,160,997,770,653.31
  5. Step 5: Solve for x
    x = 170,160,997,770,653.31/15,061,959.60
  6. Step 6: Final answer
    x = 11,297,401.02

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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.