Home / 10,367,997.40-15,551,996.10-9,612,170.20

Finding the Fourth Proportional to 10,367,997.40, 15,551,996.10 and 9,612,170.20

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Solution

The fourth proportional to 10,367,997.40, 15,551,996.10 and 9,612,170.20 is: 14,418,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367,997.40 : 15,551,996.10 = 9,612,170.20 : x
  2. Step 2: Convert to fraction form
    10,367,997.40/15,551,996.10 = 9,612,170.20/x
  3. Step 3: Cross multiply
    10,367,997.40x = 15,551,996.10 × 9,612,170.20
  4. Step 4: Simplify right side
    10,367,997.40x = 149,488,433,462,936.22
  5. Step 5: Solve for x
    x = 149,488,433,462,936.22/10,367,997.40
  6. Step 6: Final answer
    x = 14,418,255.30

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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.