Home / 8,302,939.80-12,456,090.90-3,510,621.24

Finding the Fourth Proportional to 8,302,939.80, 12,456,090.90 and 3,510,621.24

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Solution

The fourth proportional to 8,302,939.80, 12,456,090.90 and 3,510,621.24 is: 5,266,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302,939.80 : 12,456,090.90 = 3,510,621.24 : x
  2. Step 2: Convert to fraction form
    8,302,939.80/12,456,090.90 = 3,510,621.24/x
  3. Step 3: Cross multiply
    8,302,939.80x = 12,456,090.90 × 3,510,621.24
  4. Step 4: Simplify right side
    8,302,939.80x = 43,728,617,280,910.72
  5. Step 5: Solve for x
    x = 43,728,617,280,910.72/8,302,939.80
  6. Step 6: Final answer
    x = 5,266,642.70

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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.