Home / 12,032,998.24-18,040,520.76-7,239,564.40

Finding the Fourth Proportional to 12,032,998.24, 18,040,520.76 and 7,239,564.40

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Solution

The fourth proportional to 12,032,998.24, 18,040,520.76 and 7,239,564.40 is: 10,853,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,032,998.24 : 18,040,520.76 = 7,239,564.40 : x
  2. Step 2: Convert to fraction form
    12,032,998.24/18,040,520.76 = 7,239,564.40/x
  3. Step 3: Cross multiply
    12,032,998.24x = 18,040,520.76 × 7,239,564.40
  4. Step 4: Simplify right side
    12,032,998.24x = 130,605,511,851,556.97
  5. Step 5: Solve for x
    x = 130,605,511,851,556.97/12,032,998.24
  6. Step 6: Final answer
    x = 10,853,945.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.