Home / 20,077,481.12-27,706,902.72-10,910,101.92

Finding the Fourth Proportional to 20,077,481.12, 27,706,902.72 and 10,910,101.92

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Solution

The fourth proportional to 20,077,481.12, 27,706,902.72 and 10,910,101.92 is: 15,055,929.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,077,481.12 : 27,706,902.72 = 10,910,101.92 : x
  2. Step 2: Convert to fraction form
    20,077,481.12/27,706,902.72 = 10,910,101.92/x
  3. Step 3: Cross multiply
    20,077,481.12x = 27,706,902.72 × 10,910,101.92
  4. Step 4: Simplify right side
    20,077,481.12x = 302,285,132,562,725.19
  5. Step 5: Solve for x
    x = 302,285,132,562,725.19/20,077,481.12
  6. Step 6: Final answer
    x = 15,055,929.12

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1.5x scale

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.