Home / 51,786,441.92-71,464,938.24-28,581,568.80

Finding the Fourth Proportional to 51,786,441.92, 71,464,938.24 and 28,581,568.80

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Solution

The fourth proportional to 51,786,441.92, 71,464,938.24 and 28,581,568.80 is: 39,442,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,786,441.92 : 71,464,938.24 = 28,581,568.80 : x
  2. Step 2: Convert to fraction form
    51,786,441.92/71,464,938.24 = 28,581,568.80/x
  3. Step 3: Cross multiply
    51,786,441.92x = 71,464,938.24 × 28,581,568.80
  4. Step 4: Simplify right side
    51,786,441.92x = 2,042,580,049,094,310.75
  5. Step 5: Solve for x
    x = 2,042,580,049,094,310.75/51,786,441.92
  6. Step 6: Final answer
    x = 39,442,370.89

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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.