Home / 33,221,670.80-49,778,851.80-18,801,856.40

Finding the Fourth Proportional to 33,221,670.80, 49,778,851.80 and 18,801,856.40

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Solution

The fourth proportional to 33,221,670.80, 49,778,851.80 and 18,801,856.40 is: 28,172,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,221,670.80 : 49,778,851.80 = 18,801,856.40 : x
  2. Step 2: Convert to fraction form
    33,221,670.80/49,778,851.80 = 18,801,856.40/x
  3. Step 3: Cross multiply
    33,221,670.80x = 49,778,851.80 × 18,801,856.40
  4. Step 4: Simplify right side
    33,221,670.80x = 935,934,823,300,481.38
  5. Step 5: Solve for x
    x = 935,934,823,300,481.38/33,221,670.80
  6. Step 6: Final answer
    x = 28,172,418.81

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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.