Home / 22,928,426.45-31,629,168.72-13,629,382.23

Finding the Fourth Proportional to 22,928,426.45, 31,629,168.72 and 13,629,382.23

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Solution

The fourth proportional to 22,928,426.45, 31,629,168.72 and 13,629,382.23 is: 18,801,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,928,426.45 : 31,629,168.72 = 13,629,382.23 : x
  2. Step 2: Convert to fraction form
    22,928,426.45/31,629,168.72 = 13,629,382.23/x
  3. Step 3: Cross multiply
    22,928,426.45x = 31,629,168.72 × 13,629,382.23
  4. Step 4: Simplify right side
    22,928,426.45x = 431,086,030,102,039.81
  5. Step 5: Solve for x
    x = 431,086,030,102,039.81/22,928,426.45
  6. Step 6: Final answer
    x = 18,801,378.77

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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.