Home / 18,499,414.40-27,749,121.60-13,114,145.60

Finding the Fourth Proportional to 18,499,414.40, 27,749,121.60 and 13,114,145.60

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Solution

The fourth proportional to 18,499,414.40, 27,749,121.60 and 13,114,145.60 is: 19,671,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499,414.40 : 27,749,121.60 = 13,114,145.60 : x
  2. Step 2: Convert to fraction form
    18,499,414.40/27,749,121.60 = 13,114,145.60/x
  3. Step 3: Cross multiply
    18,499,414.40x = 27,749,121.60 × 13,114,145.60
  4. Step 4: Simplify right side
    18,499,414.40x = 363,906,020,934,505
  5. Step 5: Solve for x
    x = 363,906,020,934,505/18,499,414.40
  6. Step 6: Final answer
    x = 19,671,218.40

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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.