Home / 28,273,640.20-42,398,018.70-11,228,648.20

Finding the Fourth Proportional to 28,273,640.20, 42,398,018.70 and 11,228,648.20

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Solution

The fourth proportional to 28,273,640.20, 42,398,018.70 and 11,228,648.20 is: 16,838,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,273,640.20 : 42,398,018.70 = 11,228,648.20 : x
  2. Step 2: Convert to fraction form
    28,273,640.20/42,398,018.70 = 11,228,648.20/x
  3. Step 3: Cross multiply
    28,273,640.20x = 42,398,018.70 × 11,228,648.20
  4. Step 4: Simplify right side
    28,273,640.20x = 476,072,436,359,321.31
  5. Step 5: Solve for x
    x = 476,072,436,359,321.31/28,273,640.20
  6. Step 6: Final answer
    x = 16,838,031.22

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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.