Home / 38,092,845.42-57,154,407.21-12,189,136.86

Finding the Fourth Proportional to 38,092,845.42, 57,154,407.21 and 12,189,136.86

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Solution

The fourth proportional to 38,092,845.42, 57,154,407.21 and 12,189,136.86 is: 18,288,549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,092,845.42 : 57,154,407.21 = 12,189,136.86 : x
  2. Step 2: Convert to fraction form
    38,092,845.42/57,154,407.21 = 12,189,136.86/x
  3. Step 3: Cross multiply
    38,092,845.42x = 57,154,407.21 × 12,189,136.86
  4. Step 4: Simplify right side
    38,092,845.42x = 696,662,891,634,860.75
  5. Step 5: Solve for x
    x = 696,662,891,634,860.75/38,092,845.42
  6. Step 6: Final answer
    x = 18,288,549.57

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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.