Home / 20,110,194.72-30,127,232.82-11,888,221.20

Finding the Fourth Proportional to 20,110,194.72, 30,127,232.82 and 11,888,221.20

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Solution

The fourth proportional to 20,110,194.72, 30,127,232.82 and 11,888,221.20 is: 17,809,832.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110,194.72 : 30,127,232.82 = 11,888,221.20 : x
  2. Step 2: Convert to fraction form
    20,110,194.72/30,127,232.82 = 11,888,221.20/x
  3. Step 3: Cross multiply
    20,110,194.72x = 30,127,232.82 × 11,888,221.20
  4. Step 4: Simplify right side
    20,110,194.72x = 358,159,207,908,059.75
  5. Step 5: Solve for x
    x = 358,159,207,908,059.75/20,110,194.72
  6. Step 6: Final answer
    x = 17,809,832.92

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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.