Home / 9,982,810.92-13,776,288.27-5,399,132.31

Finding the Fourth Proportional to 9,982,810.92, 13,776,288.27 and 5,399,132.31

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Solution

The fourth proportional to 9,982,810.92, 13,776,288.27 and 5,399,132.31 is: 7,450,807.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982,810.92 : 13,776,288.27 = 5,399,132.31 : x
  2. Step 2: Convert to fraction form
    9,982,810.92/13,776,288.27 = 5,399,132.31/x
  3. Step 3: Cross multiply
    9,982,810.92x = 13,776,288.27 × 5,399,132.31
  4. Step 4: Simplify right side
    9,982,810.92x = 74,380,003,110,431
  5. Step 5: Solve for x
    x = 74,380,003,110,431/9,982,810.92
  6. Step 6: Final answer
    x = 7,450,807.56

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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.