Home / 18,164,135.36-25,040,461.20-14,289,928.04

Finding the Fourth Proportional to 18,164,135.36, 25,040,461.20 and 14,289,928.04

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Solution

The fourth proportional to 18,164,135.36, 25,040,461.20 and 14,289,928.04 is: 19,699,610.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164,135.36 : 25,040,461.20 = 14,289,928.04 : x
  2. Step 2: Convert to fraction form
    18,164,135.36/25,040,461.20 = 14,289,928.04/x
  3. Step 3: Cross multiply
    18,164,135.36x = 25,040,461.20 × 14,289,928.04
  4. Step 4: Simplify right side
    18,164,135.36x = 357,826,388,511,209.75
  5. Step 5: Solve for x
    x = 357,826,388,511,209.75/18,164,135.36
  6. Step 6: Final answer
    x = 19,699,610.33

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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.