Home / 20,269,354.98-30,452,536.74-12,997,062.80

Finding the Fourth Proportional to 20,269,354.98, 30,452,536.74 and 12,997,062.80

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Solution

The fourth proportional to 20,269,354.98, 30,452,536.74 and 12,997,062.80 is: 19,526,695.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,354.98 : 30,452,536.74 = 12,997,062.80 : x
  2. Step 2: Convert to fraction form
    20,269,354.98/30,452,536.74 = 12,997,062.80/x
  3. Step 3: Cross multiply
    20,269,354.98x = 30,452,536.74 × 12,997,062.80
  4. Step 4: Simplify right side
    20,269,354.98x = 395,793,532,439,760.56
  5. Step 5: Solve for x
    x = 395,793,532,439,760.56/20,269,354.98
  6. Step 6: Final answer
    x = 19,526,695.98

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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.