Home / 27,481,948.70-37,904,074.16-18,668,195.77

Finding the Fourth Proportional to 27,481,948.70, 37,904,074.16 and 18,668,195.77

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Solution

The fourth proportional to 27,481,948.70, 37,904,074.16 and 18,668,195.77 is: 25,747,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,481,948.70 : 37,904,074.16 = 18,668,195.77 : x
  2. Step 2: Convert to fraction form
    27,481,948.70/37,904,074.16 = 18,668,195.77/x
  3. Step 3: Cross multiply
    27,481,948.70x = 37,904,074.16 × 18,668,195.77
  4. Step 4: Simplify right side
    27,481,948.70x = 707,600,676,899,478.25
  5. Step 5: Solve for x
    x = 707,600,676,899,478.25/27,481,948.70
  6. Step 6: Final answer
    x = 25,747,834.87

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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.