Home / 20,097,470.10-30,146,205.15-12,444,719.70

Finding the Fourth Proportional to 20,097,470.10, 30,146,205.15 and 12,444,719.70

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Solution

The fourth proportional to 20,097,470.10, 30,146,205.15 and 12,444,719.70 is: 18,667,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097,470.10 : 30,146,205.15 = 12,444,719.70 : x
  2. Step 2: Convert to fraction form
    20,097,470.10/30,146,205.15 = 12,444,719.70/x
  3. Step 3: Cross multiply
    20,097,470.10x = 30,146,205.15 × 12,444,719.70
  4. Step 4: Simplify right side
    20,097,470.10x = 375,161,073,110,446.44
  5. Step 5: Solve for x
    x = 375,161,073,110,446.44/20,097,470.10
  6. Step 6: Final answer
    x = 18,667,079.55

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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.