Home / 28,152,469.80-42,228,704.70-22,105,852.20

Finding the Fourth Proportional to 28,152,469.80, 42,228,704.70 and 22,105,852.20

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Solution

The fourth proportional to 28,152,469.80, 42,228,704.70 and 22,105,852.20 is: 33,158,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,152,469.80 : 42,228,704.70 = 22,105,852.20 : x
  2. Step 2: Convert to fraction form
    28,152,469.80/42,228,704.70 = 22,105,852.20/x
  3. Step 3: Cross multiply
    28,152,469.80x = 42,228,704.70 × 22,105,852.20
  4. Step 4: Simplify right side
    28,152,469.80x = 933,501,504,695,645.38
  5. Step 5: Solve for x
    x = 933,501,504,695,645.38/28,152,469.80
  6. Step 6: Final answer
    x = 33,158,778.30

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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.