Home / 20,008,887.92-27,612,801.60-12,165,703.28

Finding the Fourth Proportional to 20,008,887.92, 27,612,801.60 and 12,165,703.28

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Solution

The fourth proportional to 20,008,887.92, 27,612,801.60 and 12,165,703.28 is: 16,788,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008,887.92 : 27,612,801.60 = 12,165,703.28 : x
  2. Step 2: Convert to fraction form
    20,008,887.92/27,612,801.60 = 12,165,703.28/x
  3. Step 3: Cross multiply
    20,008,887.92x = 27,612,801.60 × 12,165,703.28
  4. Step 4: Simplify right side
    20,008,887.92x = 335,929,150,995,109.25
  5. Step 5: Solve for x
    x = 335,929,150,995,109.25/20,008,887.92
  6. Step 6: Final answer
    x = 16,788,996.59

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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.