Home / 17,420,845.48-26,129,570.52-5,290,414

Finding the Fourth Proportional to 17,420,845.48, 26,129,570.52 and 5,290,414

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Solution

The fourth proportional to 17,420,845.48, 26,129,570.52 and 5,290,414 is: 7,935,105.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420,845.48 : 26,129,570.52 = 5,290,414 : x
  2. Step 2: Convert to fraction form
    17,420,845.48/26,129,570.52 = 5,290,414/x
  3. Step 3: Cross multiply
    17,420,845.48x = 26,129,570.52 × 5,290,414
  4. Step 4: Simplify right side
    17,420,845.48x = 138,236,245,692,995.28
  5. Step 5: Solve for x
    x = 138,236,245,692,995.28/17,420,845.48
  6. Step 6: Final answer
    x = 7,935,105.44

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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.