Home / 16,638,164.70-24,957,247.05-7,680,212.70

Finding the Fourth Proportional to 16,638,164.70, 24,957,247.05 and 7,680,212.70

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Solution

The fourth proportional to 16,638,164.70, 24,957,247.05 and 7,680,212.70 is: 11,520,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638,164.70 : 24,957,247.05 = 7,680,212.70 : x
  2. Step 2: Convert to fraction form
    16,638,164.70/24,957,247.05 = 7,680,212.70/x
  3. Step 3: Cross multiply
    16,638,164.70x = 24,957,247.05 × 7,680,212.70
  4. Step 4: Simplify right side
    16,638,164.70x = 191,676,965,750,447.53
  5. Step 5: Solve for x
    x = 191,676,965,750,447.53/16,638,164.70
  6. Step 6: Final answer
    x = 11,520,319.05

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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.