Home / 17,551,581.90-26,330,177.66-5,418,193.38

Finding the Fourth Proportional to 17,551,581.90, 26,330,177.66 and 5,418,193.38

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Solution

The fourth proportional to 17,551,581.90, 26,330,177.66 and 5,418,193.38 is: 8,128,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,551,581.90 : 26,330,177.66 = 5,418,193.38 : x
  2. Step 2: Convert to fraction form
    17,551,581.90/26,330,177.66 = 5,418,193.38/x
  3. Step 3: Cross multiply
    17,551,581.90x = 26,330,177.66 × 5,418,193.38
  4. Step 4: Simplify right side
    17,551,581.90x = 142,661,994,291,635.88
  5. Step 5: Solve for x
    x = 142,661,994,291,635.88/17,551,581.90
  6. Step 6: Final answer
    x = 8,128,155.92

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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.