Home / 18,203,454.80-25,120,853.15-9,943,631.47

Finding the Fourth Proportional to 18,203,454.80, 25,120,853.15 and 9,943,631.47

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Solution

The fourth proportional to 18,203,454.80, 25,120,853.15 and 9,943,631.47 is: 13,722,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203,454.80 : 25,120,853.15 = 9,943,631.47 : x
  2. Step 2: Convert to fraction form
    18,203,454.80/25,120,853.15 = 9,943,631.47/x
  3. Step 3: Cross multiply
    18,203,454.80x = 25,120,853.15 × 9,943,631.47
  4. Step 4: Simplify right side
    18,203,454.80x = 249,792,505,935,588.62
  5. Step 5: Solve for x
    x = 249,792,505,935,588.62/18,203,454.80
  6. Step 6: Final answer
    x = 13,722,258.15

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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.