Home / 27,819,644.68-38,346,765.86-21,929,680.04

Finding the Fourth Proportional to 27,819,644.68, 38,346,765.86 and 21,929,680.04

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Solution

The fourth proportional to 27,819,644.68, 38,346,765.86 and 21,929,680.04 is: 30,228,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,819,644.68 : 38,346,765.86 = 21,929,680.04 : x
  2. Step 2: Convert to fraction form
    27,819,644.68/38,346,765.86 = 21,929,680.04/x
  3. Step 3: Cross multiply
    27,819,644.68x = 38,346,765.86 × 21,929,680.04
  4. Step 4: Simplify right side
    27,819,644.68x = 840,932,305,878,595.38
  5. Step 5: Solve for x
    x = 840,932,305,878,595.38/27,819,644.68
  6. Step 6: Final answer
    x = 30,228,003.11

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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.