Home / 7,480,502.62-10,318,306.71-5,187,826.78

Finding the Fourth Proportional to 7,480,502.62, 10,318,306.71 and 5,187,826.78

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Solution

The fourth proportional to 7,480,502.62, 10,318,306.71 and 5,187,826.78 is: 7,155,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480,502.62 : 10,318,306.71 = 5,187,826.78 : x
  2. Step 2: Convert to fraction form
    7,480,502.62/10,318,306.71 = 5,187,826.78/x
  3. Step 3: Cross multiply
    7,480,502.62x = 10,318,306.71 × 5,187,826.78
  4. Step 4: Simplify right side
    7,480,502.62x = 53,529,587,874,391.70
  5. Step 5: Solve for x
    x = 53,529,587,874,391.70/7,480,502.62
  6. Step 6: Final answer
    x = 7,155,881.17

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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.