Home / 8,320,466.20-12,455,816.10-4,952,939.80

Finding the Fourth Proportional to 8,320,466.20, 12,455,816.10 and 4,952,939.80

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Solution

The fourth proportional to 8,320,466.20, 12,455,816.10 and 4,952,939.80 is: 7,414,597.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,466.20 : 12,455,816.10 = 4,952,939.80 : x
  2. Step 2: Convert to fraction form
    8,320,466.20/12,455,816.10 = 4,952,939.80/x
  3. Step 3: Cross multiply
    8,320,466.20x = 12,455,816.10 × 4,952,939.80
  4. Step 4: Simplify right side
    8,320,466.20x = 61,692,907,303,170.77
  5. Step 5: Solve for x
    x = 61,692,907,303,170.77/8,320,466.20
  6. Step 6: Final answer
    x = 7,414,597.43

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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.