Home / 18,145,816.73-25,024,406.61-13,243,273.37

Finding the Fourth Proportional to 18,145,816.73, 25,024,406.61 and 13,243,273.37

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Solution

The fourth proportional to 18,145,816.73, 25,024,406.61 and 13,243,273.37 is: 18,263,441.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,816.73 : 25,024,406.61 = 13,243,273.37 : x
  2. Step 2: Convert to fraction form
    18,145,816.73/25,024,406.61 = 13,243,273.37/x
  3. Step 3: Cross multiply
    18,145,816.73x = 25,024,406.61 × 13,243,273.37
  4. Step 4: Simplify right side
    18,145,816.73x = 331,405,057,466,926.56
  5. Step 5: Solve for x
    x = 331,405,057,466,926.56/18,145,816.73
  6. Step 6: Final answer
    x = 18,263,441.24

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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.