Home / 22,665,249.12-31,277,131.26-12,351,750.78

Finding the Fourth Proportional to 22,665,249.12, 31,277,131.26 and 12,351,750.78

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Solution

The fourth proportional to 22,665,249.12, 31,277,131.26 and 12,351,750.78 is: 17,044,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,665,249.12 : 31,277,131.26 = 12,351,750.78 : x
  2. Step 2: Convert to fraction form
    22,665,249.12/31,277,131.26 = 12,351,750.78/x
  3. Step 3: Cross multiply
    22,665,249.12x = 31,277,131.26 × 12,351,750.78
  4. Step 4: Simplify right side
    22,665,249.12x = 386,327,330,436,867.38
  5. Step 5: Solve for x
    x = 386,327,330,436,867.38/22,665,249.12
  6. Step 6: Final answer
    x = 17,044,918.78

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1.5x scale

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.