Home / 7,182,863.73-9,912,563.19-3,919,889.70

Finding the Fourth Proportional to 7,182,863.73, 9,912,563.19 and 3,919,889.70

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Solution

The fourth proportional to 7,182,863.73, 9,912,563.19 and 3,919,889.70 is: 5,409,563.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,863.73 : 9,912,563.19 = 3,919,889.70 : x
  2. Step 2: Convert to fraction form
    7,182,863.73/9,912,563.19 = 3,919,889.70/x
  3. Step 3: Cross multiply
    7,182,863.73x = 9,912,563.19 × 3,919,889.70
  4. Step 4: Simplify right side
    7,182,863.73x = 38,856,154,349,080.14
  5. Step 5: Solve for x
    x = 38,856,154,349,080.14/7,182,863.73
  6. Step 6: Final answer
    x = 5,409,563.07

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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.