Home / 12,540,249.43-17,304,160.53-7,032,490.86

Finding the Fourth Proportional to 12,540,249.43, 17,304,160.53 and 7,032,490.86

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Solution

The fourth proportional to 12,540,249.43, 17,304,160.53 and 7,032,490.86 is: 9,704,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,540,249.43 : 17,304,160.53 = 7,032,490.86 : x
  2. Step 2: Convert to fraction form
    12,540,249.43/17,304,160.53 = 7,032,490.86/x
  3. Step 3: Cross multiply
    12,540,249.43x = 17,304,160.53 × 7,032,490.86
  4. Step 4: Simplify right side
    12,540,249.43x = 121,691,350,767,197.77
  5. Step 5: Solve for x
    x = 121,691,350,767,197.77/12,540,249.43
  6. Step 6: Final answer
    x = 9,704,061.43

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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.