Home / 17,419,278.90-26,129,935.31-5,289,138.10

Finding the Fourth Proportional to 17,419,278.90, 26,129,935.31 and 5,289,138.10

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Solution

The fourth proportional to 17,419,278.90, 26,129,935.31 and 5,289,138.10 is: 7,934,015.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419,278.90 : 26,129,935.31 = 5,289,138.10 : x
  2. Step 2: Convert to fraction form
    17,419,278.90/26,129,935.31 = 5,289,138.10/x
  3. Step 3: Cross multiply
    17,419,278.90x = 26,129,935.31 × 5,289,138.10
  4. Step 4: Simplify right side
    17,419,278.90x = 138,204,836,398,656.30
  5. Step 5: Solve for x
    x = 138,204,836,398,656.30/17,419,278.90
  6. Step 6: Final answer
    x = 7,934,015.94

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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.