Home / 10,647,105.80-15,970,658.70-8,852,016.20

Finding the Fourth Proportional to 10,647,105.80, 15,970,658.70 and 8,852,016.20

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Solution

The fourth proportional to 10,647,105.80, 15,970,658.70 and 8,852,016.20 is: 13,278,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,105.80 : 15,970,658.70 = 8,852,016.20 : x
  2. Step 2: Convert to fraction form
    10,647,105.80/15,970,658.70 = 8,852,016.20/x
  3. Step 3: Cross multiply
    10,647,105.80x = 15,970,658.70 × 8,852,016.20
  4. Step 4: Simplify right side
    10,647,105.80x = 141,372,529,537,070.91
  5. Step 5: Solve for x
    x = 141,372,529,537,070.91/10,647,105.80
  6. Step 6: Final answer
    x = 13,278,024.30

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Double scale
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Similar ratio
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1.5x scale

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.