Home / 22,164,829.80-33,247,244.70-18,657,319.20

Finding the Fourth Proportional to 22,164,829.80, 33,247,244.70 and 18,657,319.20

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Solution

The fourth proportional to 22,164,829.80, 33,247,244.70 and 18,657,319.20 is: 27,985,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,164,829.80 : 33,247,244.70 = 18,657,319.20 : x
  2. Step 2: Convert to fraction form
    22,164,829.80/33,247,244.70 = 18,657,319.20/x
  3. Step 3: Cross multiply
    22,164,829.80x = 33,247,244.70 × 18,657,319.20
  4. Step 4: Simplify right side
    22,164,829.80x = 620,304,456,888,408.25
  5. Step 5: Solve for x
    x = 620,304,456,888,408.25/22,164,829.80
  6. Step 6: Final answer
    x = 27,985,978.80

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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.