Home / 12,515,477.20-18,776,144.99-3,879,126.27

Finding the Fourth Proportional to 12,515,477.20, 18,776,144.99 and 3,879,126.27

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Solution

The fourth proportional to 12,515,477.20, 18,776,144.99 and 3,879,126.27 is: 5,819,597.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515,477.20 : 18,776,144.99 = 3,879,126.27 : x
  2. Step 2: Convert to fraction form
    12,515,477.20/18,776,144.99 = 3,879,126.27/x
  3. Step 3: Cross multiply
    12,515,477.20x = 18,776,144.99 × 3,879,126.27
  4. Step 4: Simplify right side
    12,515,477.20x = 72,835,037,289,735.70
  5. Step 5: Solve for x
    x = 72,835,037,289,735.70/12,515,477.20
  6. Step 6: Final answer
    x = 5,819,597.30

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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.