Home / 15,365,047.56-21,204,193.41-8,489,974.92

Finding the Fourth Proportional to 15,365,047.56, 21,204,193.41 and 8,489,974.92

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Solution

The fourth proportional to 15,365,047.56, 21,204,193.41 and 8,489,974.92 is: 11,716,401.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365,047.56 : 21,204,193.41 = 8,489,974.92 : x
  2. Step 2: Convert to fraction form
    15,365,047.56/21,204,193.41 = 8,489,974.92/x
  3. Step 3: Cross multiply
    15,365,047.56x = 21,204,193.41 × 8,489,974.92
  4. Step 4: Simplify right side
    15,365,047.56x = 180,023,070,249,729.28
  5. Step 5: Solve for x
    x = 180,023,070,249,729.28/15,365,047.56
  6. Step 6: Final answer
    x = 11,716,401.76

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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.