Home / 12,659,619.47-18,989,429.45-3,074,933.42

Finding the Fourth Proportional to 12,659,619.47, 18,989,429.45 and 3,074,933.42

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Solution

The fourth proportional to 12,659,619.47, 18,989,429.45 and 3,074,933.42 is: 4,612,400.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659,619.47 : 18,989,429.45 = 3,074,933.42 : x
  2. Step 2: Convert to fraction form
    12,659,619.47/18,989,429.45 = 3,074,933.42/x
  3. Step 3: Cross multiply
    12,659,619.47x = 18,989,429.45 × 3,074,933.42
  4. Step 4: Simplify right side
    12,659,619.47x = 58,391,231,132,215.41
  5. Step 5: Solve for x
    x = 58,391,231,132,215.41/12,659,619.47
  6. Step 6: Final answer
    x = 4,612,400.18

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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.