Home / 27,647,936.36-38,154,176.10-15,424,795.88

Finding the Fourth Proportional to 27,647,936.36, 38,154,176.10 and 15,424,795.88

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Solution

The fourth proportional to 27,647,936.36, 38,154,176.10 and 15,424,795.88 is: 21,286,231.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,647,936.36 : 38,154,176.10 = 15,424,795.88 : x
  2. Step 2: Convert to fraction form
    27,647,936.36/38,154,176.10 = 15,424,795.88/x
  3. Step 3: Cross multiply
    27,647,936.36x = 38,154,176.10 × 15,424,795.88
  4. Step 4: Simplify right side
    27,647,936.36x = 588,520,378,312,074.50
  5. Step 5: Solve for x
    x = 588,520,378,312,074.50/27,647,936.36
  6. Step 6: Final answer
    x = 21,286,231.66

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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.