Home / 18,208,669.12-25,127,665.77-9,948,553.18

Finding the Fourth Proportional to 18,208,669.12, 25,127,665.77 and 9,948,553.18

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Solution

The fourth proportional to 18,208,669.12, 25,127,665.77 and 9,948,553.18 is: 13,728,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,669.12 : 25,127,665.77 = 9,948,553.18 : x
  2. Step 2: Convert to fraction form
    18,208,669.12/25,127,665.77 = 9,948,553.18/x
  3. Step 3: Cross multiply
    18,208,669.12x = 25,127,665.77 × 9,948,553.18
  4. Step 4: Simplify right side
    18,208,669.12x = 249,983,919,202,110.62
  5. Step 5: Solve for x
    x = 249,983,919,202,110.62/18,208,669.12
  6. Step 6: Final answer
    x = 13,728,840.78

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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.