Home / 14,127,906.30-21,160,366.65-10,915,640.70

Finding the Fourth Proportional to 14,127,906.30, 21,160,366.65 and 10,915,640.70

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Solution

The fourth proportional to 14,127,906.30, 21,160,366.65 and 10,915,640.70 is: 16,349,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127,906.30 : 21,160,366.65 = 10,915,640.70 : x
  2. Step 2: Convert to fraction form
    14,127,906.30/21,160,366.65 = 10,915,640.70/x
  3. Step 3: Cross multiply
    14,127,906.30x = 21,160,366.65 × 10,915,640.70
  4. Step 4: Simplify right side
    14,127,906.30x = 230,978,959,431,662.62
  5. Step 5: Solve for x
    x = 230,978,959,431,662.62/14,127,906.30
  6. Step 6: Final answer
    x = 16,349,128.78

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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.