Home / 12,250,337.40-18,375,506.10-7,995,310.20

Finding the Fourth Proportional to 12,250,337.40, 18,375,506.10 and 7,995,310.20

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Solution

The fourth proportional to 12,250,337.40, 18,375,506.10 and 7,995,310.20 is: 11,992,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250,337.40 : 18,375,506.10 = 7,995,310.20 : x
  2. Step 2: Convert to fraction form
    12,250,337.40/18,375,506.10 = 7,995,310.20/x
  3. Step 3: Cross multiply
    12,250,337.40x = 18,375,506.10 × 7,995,310.20
  4. Step 4: Simplify right side
    12,250,337.40x = 146,917,871,351,492.25
  5. Step 5: Solve for x
    x = 146,917,871,351,492.25/12,250,337.40
  6. Step 6: Final answer
    x = 11,992,965.30

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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.