Home / 9,768,396.17-13,481,214-5,418,883.28

Finding the Fourth Proportional to 9,768,396.17, 13,481,214 and 5,418,883.28

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Solution

The fourth proportional to 9,768,396.17, 13,481,214 and 5,418,883.28 is: 7,478,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768,396.17 : 13,481,214 = 5,418,883.28 : x
  2. Step 2: Convert to fraction form
    9,768,396.17/13,481,214 = 5,418,883.28/x
  3. Step 3: Cross multiply
    9,768,396.17x = 13,481,214 × 5,418,883.28
  4. Step 4: Simplify right side
    9,768,396.17x = 73,053,125,138,701.92
  5. Step 5: Solve for x
    x = 73,053,125,138,701.92/9,768,396.17
  6. Step 6: Final answer
    x = 7,478,517.85

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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.