Home / 20,360,442.30-28,097,951.67-11,068,640.70

Finding the Fourth Proportional to 20,360,442.30, 28,097,951.67 and 11,068,640.70

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Solution

The fourth proportional to 20,360,442.30, 28,097,951.67 and 11,068,640.70 is: 15,275,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360,442.30 : 28,097,951.67 = 11,068,640.70 : x
  2. Step 2: Convert to fraction form
    20,360,442.30/28,097,951.67 = 11,068,640.70/x
  3. Step 3: Cross multiply
    20,360,442.30x = 28,097,951.67 × 11,068,640.70
  4. Step 4: Simplify right side
    20,360,442.30x = 311,006,131,441,194.94
  5. Step 5: Solve for x
    x = 311,006,131,441,194.94/20,360,442.30
  6. Step 6: Final answer
    x = 15,275,018.43

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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.