Home / 28,276,167.98-42,414,251.97-21,101,714.48

Finding the Fourth Proportional to 28,276,167.98, 42,414,251.97 and 21,101,714.48

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Solution

The fourth proportional to 28,276,167.98, 42,414,251.97 and 21,101,714.48 is: 31,652,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276,167.98 : 42,414,251.97 = 21,101,714.48 : x
  2. Step 2: Convert to fraction form
    28,276,167.98/42,414,251.97 = 21,101,714.48/x
  3. Step 3: Cross multiply
    28,276,167.98x = 42,414,251.97 × 21,101,714.48
  4. Step 4: Simplify right side
    28,276,167.98x = 895,013,434,636,137.88
  5. Step 5: Solve for x
    x = 895,013,434,636,137.88/28,276,167.98
  6. Step 6: Final answer
    x = 31,652,571.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.