Home / 18,155,452.80-27,201,686.40-11,762,414.40

Finding the Fourth Proportional to 18,155,452.80, 27,201,686.40 and 11,762,414.40

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Solution

The fourth proportional to 18,155,452.80, 27,201,686.40 and 11,762,414.40 is: 17,623,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155,452.80 : 27,201,686.40 = 11,762,414.40 : x
  2. Step 2: Convert to fraction form
    18,155,452.80/27,201,686.40 = 11,762,414.40/x
  3. Step 3: Cross multiply
    18,155,452.80x = 27,201,686.40 × 11,762,414.40
  4. Step 4: Simplify right side
    18,155,452.80x = 319,957,507,815,644.12
  5. Step 5: Solve for x
    x = 319,957,507,815,644.12/18,155,452.80
  6. Step 6: Final answer
    x = 17,623,218.29

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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.