Home / 22,131,420.80-33,191,601.60-8,481,603.20

Finding the Fourth Proportional to 22,131,420.80, 33,191,601.60 and 8,481,603.20

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Solution

The fourth proportional to 22,131,420.80, 33,191,601.60 and 8,481,603.20 is: 12,720,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,131,420.80 : 33,191,601.60 = 8,481,603.20 : x
  2. Step 2: Convert to fraction form
    22,131,420.80/33,191,601.60 = 8,481,603.20/x
  3. Step 3: Cross multiply
    22,131,420.80x = 33,191,601.60 × 8,481,603.20
  4. Step 4: Simplify right side
    22,131,420.80x = 281,517,994,343,685.12
  5. Step 5: Solve for x
    x = 281,517,994,343,685.12/22,131,420.80
  6. Step 6: Final answer
    x = 12,720,285.65

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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.