Home / 10,876,736.80-16,315,105.20-5,208,032.80

Finding the Fourth Proportional to 10,876,736.80, 16,315,105.20 and 5,208,032.80

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Solution

The fourth proportional to 10,876,736.80, 16,315,105.20 and 5,208,032.80 is: 7,812,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876,736.80 : 16,315,105.20 = 5,208,032.80 : x
  2. Step 2: Convert to fraction form
    10,876,736.80/16,315,105.20 = 5,208,032.80/x
  3. Step 3: Cross multiply
    10,876,736.80x = 16,315,105.20 × 5,208,032.80
  4. Step 4: Simplify right side
    10,876,736.80x = 84,969,603,017,050.55
  5. Step 5: Solve for x
    x = 84,969,603,017,050.55/10,876,736.80
  6. Step 6: Final answer
    x = 7,812,049.20

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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.