Home / 20,137,575.24-30,189,965.22-9,361,672.20

Finding the Fourth Proportional to 20,137,575.24, 30,189,965.22 and 9,361,672.20

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Solution

The fourth proportional to 20,137,575.24, 30,189,965.22 and 9,361,672.20 is: 14,034,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,137,575.24 : 30,189,965.22 = 9,361,672.20 : x
  2. Step 2: Convert to fraction form
    20,137,575.24/30,189,965.22 = 9,361,672.20/x
  3. Step 3: Cross multiply
    20,137,575.24x = 30,189,965.22 × 9,361,672.20
  4. Step 4: Simplify right side
    20,137,575.24x = 282,628,558,119,040.88
  5. Step 5: Solve for x
    x = 282,628,558,119,040.88/20,137,575.24
  6. Step 6: Final answer
    x = 14,034,885.27

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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.