Home / 21,387,923.85-32,073,983.06-9,259,160.97

Finding the Fourth Proportional to 21,387,923.85, 32,073,983.06 and 9,259,160.97

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Solution

The fourth proportional to 21,387,923.85, 32,073,983.06 and 9,259,160.97 is: 13,885,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387,923.85 : 32,073,983.06 = 9,259,160.97 : x
  2. Step 2: Convert to fraction form
    21,387,923.85/32,073,983.06 = 9,259,160.97/x
  3. Step 3: Cross multiply
    21,387,923.85x = 32,073,983.06 × 9,259,160.97
  4. Step 4: Simplify right side
    21,387,923.85x = 296,978,172,055,297.38
  5. Step 5: Solve for x
    x = 296,978,172,055,297.38/21,387,923.85
  6. Step 6: Final answer
    x = 13,885,320.25

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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.