Home / 33,106,909.12-45,661,652-21,508,209.68

Finding the Fourth Proportional to 33,106,909.12, 45,661,652 and 21,508,209.68

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Solution

The fourth proportional to 33,106,909.12, 45,661,652 and 21,508,209.68 is: 29,664,514.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,106,909.12 : 45,661,652 = 21,508,209.68 : x
  2. Step 2: Convert to fraction form
    33,106,909.12/45,661,652 = 21,508,209.68/x
  3. Step 3: Cross multiply
    33,106,909.12x = 45,661,652 × 21,508,209.68
  4. Step 4: Simplify right side
    33,106,909.12x = 982,100,385,551,191.38
  5. Step 5: Solve for x
    x = 982,100,385,551,191.38/33,106,909.12
  6. Step 6: Final answer
    x = 29,664,514.50

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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.