Home / 13,263,426.72-18,303,524.46-7,382,933.22

Finding the Fourth Proportional to 13,263,426.72, 18,303,524.46 and 7,382,933.22

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Solution

The fourth proportional to 13,263,426.72, 18,303,524.46 and 7,382,933.22 is: 10,188,445.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,426.72 : 18,303,524.46 = 7,382,933.22 : x
  2. Step 2: Convert to fraction form
    13,263,426.72/18,303,524.46 = 7,382,933.22/x
  3. Step 3: Cross multiply
    13,263,426.72x = 18,303,524.46 × 7,382,933.22
  4. Step 4: Simplify right side
    13,263,426.72x = 135,133,698,778,816.56
  5. Step 5: Solve for x
    x = 135,133,698,778,816.56/13,263,426.72
  6. Step 6: Final answer
    x = 10,188,445.39

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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.