Home / 10,367,997.80-15,551,996.70-5,329,149.80

Finding the Fourth Proportional to 10,367,997.80, 15,551,996.70 and 5,329,149.80

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Solution

The fourth proportional to 10,367,997.80, 15,551,996.70 and 5,329,149.80 is: 7,993,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367,997.80 : 15,551,996.70 = 5,329,149.80 : x
  2. Step 2: Convert to fraction form
    10,367,997.80/15,551,996.70 = 5,329,149.80/x
  3. Step 3: Cross multiply
    10,367,997.80x = 15,551,996.70 × 5,329,149.80
  4. Step 4: Simplify right side
    10,367,997.80x = 82,878,920,103,405.66
  5. Step 5: Solve for x
    x = 82,878,920,103,405.66/10,367,997.80
  6. Step 6: Final answer
    x = 7,993,724.70

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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.