Home / 20,269,348.86-30,452,527.55-12,997,056.68

Finding the Fourth Proportional to 20,269,348.86, 30,452,527.55 and 12,997,056.68

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Solution

The fourth proportional to 20,269,348.86, 30,452,527.55 and 12,997,056.68 is: 19,526,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,348.86 : 30,452,527.55 = 12,997,056.68 : x
  2. Step 2: Convert to fraction form
    20,269,348.86/30,452,527.55 = 12,997,056.68/x
  3. Step 3: Cross multiply
    20,269,348.86x = 30,452,527.55 × 12,997,056.68
  4. Step 4: Simplify right side
    20,269,348.86x = 395,793,226,496,841.56
  5. Step 5: Solve for x
    x = 395,793,226,496,841.56/20,269,348.86
  6. Step 6: Final answer
    x = 19,526,686.78

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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.