Home / 19,658,757.72-27,129,218.94-10,957,490.04

Finding the Fourth Proportional to 19,658,757.72, 27,129,218.94 and 10,957,490.04

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Solution

The fourth proportional to 19,658,757.72, 27,129,218.94 and 10,957,490.04 is: 15,121,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658,757.72 : 27,129,218.94 = 10,957,490.04 : x
  2. Step 2: Convert to fraction form
    19,658,757.72/27,129,218.94 = 10,957,490.04/x
  3. Step 3: Cross multiply
    19,658,757.72x = 27,129,218.94 × 10,957,490.04
  4. Step 4: Simplify right side
    19,658,757.72x = 297,268,146,328,029.38
  5. Step 5: Solve for x
    x = 297,268,146,328,029.38/19,658,757.72
  6. Step 6: Final answer
    x = 15,121,410.55

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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.