Home / 20,733,195.46-31,099,793.20-9,218,640.46

Finding the Fourth Proportional to 20,733,195.46, 31,099,793.20 and 9,218,640.46

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Solution

The fourth proportional to 20,733,195.46, 31,099,793.20 and 9,218,640.46 is: 13,827,960.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,195.46 : 31,099,793.20 = 9,218,640.46 : x
  2. Step 2: Convert to fraction form
    20,733,195.46/31,099,793.20 = 9,218,640.46/x
  3. Step 3: Cross multiply
    20,733,195.46x = 31,099,793.20 × 9,218,640.46
  4. Step 4: Simplify right side
    20,733,195.46x = 286,697,811,891,152.88
  5. Step 5: Solve for x
    x = 286,697,811,891,152.88/20,733,195.46
  6. Step 6: Final answer
    x = 13,827,960.69

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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.