Home / 22,219,062.80-33,321,771-7,838,767.60

Finding the Fourth Proportional to 22,219,062.80, 33,321,771 and 7,838,767.60

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Solution

The fourth proportional to 22,219,062.80, 33,321,771 and 7,838,767.60 is: 11,755,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,219,062.80 : 33,321,771 = 7,838,767.60 : x
  2. Step 2: Convert to fraction form
    22,219,062.80/33,321,771 = 7,838,767.60/x
  3. Step 3: Cross multiply
    22,219,062.80x = 33,321,771 × 7,838,767.60
  4. Step 4: Simplify right side
    22,219,062.80x = 261,201,618,889,419.59
  5. Step 5: Solve for x
    x = 261,201,618,889,419.59/22,219,062.80
  6. Step 6: Final answer
    x = 11,755,744.21

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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.