Home / 28,228,240.98-38,955,644.13-15,839,250.81

Finding the Fourth Proportional to 28,228,240.98, 38,955,644.13 and 15,839,250.81

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Solution

The fourth proportional to 28,228,240.98, 38,955,644.13 and 15,839,250.81 is: 21,858,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228,240.98 : 38,955,644.13 = 15,839,250.81 : x
  2. Step 2: Convert to fraction form
    28,228,240.98/38,955,644.13 = 15,839,250.81/x
  3. Step 3: Cross multiply
    28,228,240.98x = 38,955,644.13 × 15,839,250.81
  4. Step 4: Simplify right side
    28,228,240.98x = 617,028,217,840,174.25
  5. Step 5: Solve for x
    x = 617,028,217,840,174.25/28,228,240.98
  6. Step 6: Final answer
    x = 21,858,542.95

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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.