Home / 27,647,935.36-38,154,174.72-15,424,794.88

Finding the Fourth Proportional to 27,647,935.36, 38,154,174.72 and 15,424,794.88

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Solution

The fourth proportional to 27,647,935.36, 38,154,174.72 and 15,424,794.88 is: 21,286,230.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,647,935.36 : 38,154,174.72 = 15,424,794.88 : x
  2. Step 2: Convert to fraction form
    27,647,935.36/38,154,174.72 = 15,424,794.88/x
  3. Step 3: Cross multiply
    27,647,935.36x = 38,154,174.72 × 15,424,794.88
  4. Step 4: Simplify right side
    27,647,935.36x = 588,520,318,871,681.50
  5. Step 5: Solve for x
    x = 588,520,318,871,681.50/27,647,935.36
  6. Step 6: Final answer
    x = 21,286,230.28

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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.