Home / 27,887,801.16-38,486,100.20-15,498,416.78

Finding the Fourth Proportional to 27,887,801.16, 38,486,100.20 and 15,498,416.78

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Solution

The fourth proportional to 27,887,801.16, 38,486,100.20 and 15,498,416.78 is: 21,388,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887,801.16 : 38,486,100.20 = 15,498,416.78 : x
  2. Step 2: Convert to fraction form
    27,887,801.16/38,486,100.20 = 15,498,416.78/x
  3. Step 3: Cross multiply
    27,887,801.16x = 38,486,100.20 × 15,498,416.78
  4. Step 4: Simplify right side
    27,887,801.16x = 596,473,621,010,841.62
  5. Step 5: Solve for x
    x = 596,473,621,010,841.62/27,887,801.16
  6. Step 6: Final answer
    x = 21,388,334.54

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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.