Home / 21,812,343.80-30,099,665.61-12,022,249.23

Finding the Fourth Proportional to 21,812,343.80, 30,099,665.61 and 12,022,249.23

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Solution

The fourth proportional to 21,812,343.80, 30,099,665.61 and 12,022,249.23 is: 16,589,949.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,812,343.80 : 30,099,665.61 = 12,022,249.23 : x
  2. Step 2: Convert to fraction form
    21,812,343.80/30,099,665.61 = 12,022,249.23/x
  3. Step 3: Cross multiply
    21,812,343.80x = 30,099,665.61 × 12,022,249.23
  4. Step 4: Simplify right side
    21,812,343.80x = 361,865,681,703,080
  5. Step 5: Solve for x
    x = 361,865,681,703,080/21,812,343.80
  6. Step 6: Final answer
    x = 16,589,949.48

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1.5x scale

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.