Home / 8,782,617.77-12,120,918.24-5,061,579.44

Finding the Fourth Proportional to 8,782,617.77, 12,120,918.24 and 5,061,579.44

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Solution

The fourth proportional to 8,782,617.77, 12,120,918.24 and 5,061,579.44 is: 6,985,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782,617.77 : 12,120,918.24 = 5,061,579.44 : x
  2. Step 2: Convert to fraction form
    8,782,617.77/12,120,918.24 = 5,061,579.44/x
  3. Step 3: Cross multiply
    8,782,617.77x = 12,120,918.24 × 5,061,579.44
  4. Step 4: Simplify right side
    8,782,617.77x = 61,350,990,557,504.99
  5. Step 5: Solve for x
    x = 61,350,990,557,504.99/8,782,617.77
  6. Step 6: Final answer
    x = 6,985,501.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.