Home / 8,633,934.42-12,953,540.70-5,179,502.40

Finding the Fourth Proportional to 8,633,934.42, 12,953,540.70 and 5,179,502.40

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Solution

The fourth proportional to 8,633,934.42, 12,953,540.70 and 5,179,502.40 is: 7,770,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633,934.42 : 12,953,540.70 = 5,179,502.40 : x
  2. Step 2: Convert to fraction form
    8,633,934.42/12,953,540.70 = 5,179,502.40/x
  3. Step 3: Cross multiply
    8,633,934.42x = 12,953,540.70 × 5,179,502.40
  4. Step 4: Simplify right side
    8,633,934.42x = 67,092,895,144,147.68
  5. Step 5: Solve for x
    x = 67,092,895,144,147.68/8,633,934.42
  6. Step 6: Final answer
    x = 7,770,836.78

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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.