Home / 13,079,979.96-19,622,922.48-3,982,891.08

Finding the Fourth Proportional to 13,079,979.96, 19,622,922.48 and 3,982,891.08

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Solution

The fourth proportional to 13,079,979.96, 19,622,922.48 and 3,982,891.08 is: 5,975,235.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079,979.96 : 19,622,922.48 = 3,982,891.08 : x
  2. Step 2: Convert to fraction form
    13,079,979.96/19,622,922.48 = 3,982,891.08/x
  3. Step 3: Cross multiply
    13,079,979.96x = 19,622,922.48 × 3,982,891.08
  4. Step 4: Simplify right side
    13,079,979.96x = 78,155,962,909,123.48
  5. Step 5: Solve for x
    x = 78,155,962,909,123.48/13,079,979.96
  6. Step 6: Final answer
    x = 5,975,235.68

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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.