Home / 18,208,589.12-25,127,555.73-9,948,473.64

Finding the Fourth Proportional to 18,208,589.12, 25,127,555.73 and 9,948,473.64

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Solution

The fourth proportional to 18,208,589.12, 25,127,555.73 and 9,948,473.64 is: 13,728,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,589.12 : 25,127,555.73 = 9,948,473.64 : x
  2. Step 2: Convert to fraction form
    18,208,589.12/25,127,555.73 = 9,948,473.64/x
  3. Step 3: Cross multiply
    18,208,589.12x = 25,127,555.73 × 9,948,473.64
  4. Step 4: Simplify right side
    18,208,589.12x = 249,980,825,817,535.97
  5. Step 5: Solve for x
    x = 249,980,825,817,535.97/18,208,589.12
  6. Step 6: Final answer
    x = 13,728,731.21

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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.