Home / 9,679,956-13,359,120.24-5,550,371.38

Finding the Fourth Proportional to 9,679,956, 13,359,120.24 and 5,550,371.38

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Solution

The fourth proportional to 9,679,956, 13,359,120.24 and 5,550,371.38 is: 7,659,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679,956 : 13,359,120.24 = 5,550,371.38 : x
  2. Step 2: Convert to fraction form
    9,679,956/13,359,120.24 = 5,550,371.38/x
  3. Step 3: Cross multiply
    9,679,956x = 13,359,120.24 × 5,550,371.38
  4. Step 4: Simplify right side
    9,679,956x = 74,148,078,642,074.73
  5. Step 5: Solve for x
    x = 74,148,078,642,074.73/9,679,956
  6. Step 6: Final answer
    x = 7,659,960.30

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1.5x scale

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.