Home / 20,097,474.10-30,146,211.15-12,444,723.70

Finding the Fourth Proportional to 20,097,474.10, 30,146,211.15 and 12,444,723.70

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Solution

The fourth proportional to 20,097,474.10, 30,146,211.15 and 12,444,723.70 is: 18,667,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097,474.10 : 30,146,211.15 = 12,444,723.70 : x
  2. Step 2: Convert to fraction form
    20,097,474.10/30,146,211.15 = 12,444,723.70/x
  3. Step 3: Cross multiply
    20,097,474.10x = 30,146,211.15 × 12,444,723.70
  4. Step 4: Simplify right side
    20,097,474.10x = 375,161,268,363,609.19
  5. Step 5: Solve for x
    x = 375,161,268,363,609.19/20,097,474.10
  6. Step 6: Final answer
    x = 18,667,085.55

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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.