Home / 33,221,643.30-49,778,810.55-18,801,828.90

Finding the Fourth Proportional to 33,221,643.30, 49,778,810.55 and 18,801,828.90

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Solution

The fourth proportional to 33,221,643.30, 49,778,810.55 and 18,801,828.90 is: 28,172,377.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,221,643.30 : 49,778,810.55 = 18,801,828.90 : x
  2. Step 2: Convert to fraction form
    33,221,643.30/49,778,810.55 = 18,801,828.90/x
  3. Step 3: Cross multiply
    33,221,643.30x = 49,778,810.55 × 18,801,828.90
  4. Step 4: Simplify right side
    33,221,643.30x = 935,932,678,806,614.75
  5. Step 5: Solve for x
    x = 935,932,678,806,614.75/33,221,643.30
  6. Step 6: Final answer
    x = 28,172,377.58

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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.