Home / 39,439,234.80-54,428,960.36-21,797,758.24

Finding the Fourth Proportional to 39,439,234.80, 54,428,960.36 and 21,797,758.24

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Solution

The fourth proportional to 39,439,234.80, 54,428,960.36 and 21,797,758.24 is: 30,082,462.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,439,234.80 : 54,428,960.36 = 21,797,758.24 : x
  2. Step 2: Convert to fraction form
    39,439,234.80/54,428,960.36 = 21,797,758.24/x
  3. Step 3: Cross multiply
    39,439,234.80x = 54,428,960.36 × 21,797,758.24
  4. Step 4: Simplify right side
    39,439,234.80x = 1,186,429,319,100,245.25
  5. Step 5: Solve for x
    x = 1,186,429,319,100,245.25/39,439,234.80
  6. Step 6: Final answer
    x = 30,082,462.94

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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.