Home / 12,231,888.10-18,347,832.15-8,200,809.70

Finding the Fourth Proportional to 12,231,888.10, 18,347,832.15 and 8,200,809.70

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Solution

The fourth proportional to 12,231,888.10, 18,347,832.15 and 8,200,809.70 is: 12,301,214.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,888.10 : 18,347,832.15 = 8,200,809.70 : x
  2. Step 2: Convert to fraction form
    12,231,888.10/18,347,832.15 = 8,200,809.70/x
  3. Step 3: Cross multiply
    12,231,888.10x = 18,347,832.15 × 8,200,809.70
  4. Step 4: Simplify right side
    12,231,888.10x = 150,467,079,869,691.84
  5. Step 5: Solve for x
    x = 150,467,079,869,691.84/12,231,888.10
  6. Step 6: Final answer
    x = 12,301,214.55

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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.