Home / 54,062,130.69-81,092,337.03-13,121,908.65

Finding the Fourth Proportional to 54,062,130.69, 81,092,337.03 and 13,121,908.65

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Solution

The fourth proportional to 54,062,130.69, 81,092,337.03 and 13,121,908.65 is: 19,682,654.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,062,130.69 : 81,092,337.03 = 13,121,908.65 : x
  2. Step 2: Convert to fraction form
    54,062,130.69/81,092,337.03 = 13,121,908.65/x
  3. Step 3: Cross multiply
    54,062,130.69x = 81,092,337.03 × 13,121,908.65
  4. Step 4: Simplify right side
    54,062,130.69x = 1,064,086,238,722,672.38
  5. Step 5: Solve for x
    x = 1,064,086,238,722,672.38/54,062,130.69
  6. Step 6: Final answer
    x = 19,682,654.48

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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.