Home / 7,988,117.40-11,982,176.10-3,728,716.20

Finding the Fourth Proportional to 7,988,117.40, 11,982,176.10 and 3,728,716.20

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Solution

The fourth proportional to 7,988,117.40, 11,982,176.10 and 3,728,716.20 is: 5,593,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,117.40 : 11,982,176.10 = 3,728,716.20 : x
  2. Step 2: Convert to fraction form
    7,988,117.40/11,982,176.10 = 3,728,716.20/x
  3. Step 3: Cross multiply
    7,988,117.40x = 11,982,176.10 × 3,728,716.20
  4. Step 4: Simplify right side
    7,988,117.40x = 44,678,134,135,322.82
  5. Step 5: Solve for x
    x = 44,678,134,135,322.82/7,988,117.40
  6. Step 6: Final answer
    x = 5,593,074.30

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Double scale
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Similar ratio
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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.