Home / 18,203,456.79-25,120,855.92-9,943,633.47

Finding the Fourth Proportional to 18,203,456.79, 25,120,855.92 and 9,943,633.47

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Solution

The fourth proportional to 18,203,456.79, 25,120,855.92 and 9,943,633.47 is: 13,722,260.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203,456.79 : 25,120,855.92 = 9,943,633.47 : x
  2. Step 2: Convert to fraction form
    18,203,456.79/25,120,855.92 = 9,943,633.47/x
  3. Step 3: Cross multiply
    18,203,456.79x = 25,120,855.92 × 9,943,633.47
  4. Step 4: Simplify right side
    18,203,456.79x = 249,792,583,721,159.69
  5. Step 5: Solve for x
    x = 249,792,583,721,159.69/18,203,456.79
  6. Step 6: Final answer
    x = 13,722,260.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.