Home / 12,451,012.20-18,659,022.30-9,896,596.20

Finding the Fourth Proportional to 12,451,012.20, 18,659,022.30 and 9,896,596.20

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Solution

The fourth proportional to 12,451,012.20, 18,659,022.30 and 9,896,596.20 is: 14,830,987.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,012.20 : 18,659,022.30 = 9,896,596.20 : x
  2. Step 2: Convert to fraction form
    12,451,012.20/18,659,022.30 = 9,896,596.20/x
  3. Step 3: Cross multiply
    12,451,012.20x = 18,659,022.30 × 9,896,596.20
  4. Step 4: Simplify right side
    12,451,012.20x = 184,660,809,189,895.25
  5. Step 5: Solve for x
    x = 184,660,809,189,895.25/12,451,012.20
  6. Step 6: Final answer
    x = 14,830,987.73

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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.