Home / 18,217,649.42-25,140,334.89-9,957,765.95

Finding the Fourth Proportional to 18,217,649.42, 25,140,334.89 and 9,957,765.95

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Solution

The fourth proportional to 18,217,649.42, 25,140,334.89 and 9,957,765.95 is: 13,741,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217,649.42 : 25,140,334.89 = 9,957,765.95 : x
  2. Step 2: Convert to fraction form
    18,217,649.42/25,140,334.89 = 9,957,765.95/x
  3. Step 3: Cross multiply
    18,217,649.42x = 25,140,334.89 × 9,957,765.95
  4. Step 4: Simplify right side
    18,217,649.42x = 250,341,570,613,537.34
  5. Step 5: Solve for x
    x = 250,341,570,613,537.34/18,217,649.42
  6. Step 6: Final answer
    x = 13,741,705.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.