Home / 18,735,655.74-25,847,286.35-12,542,697.06

Finding the Fourth Proportional to 18,735,655.74, 25,847,286.35 and 12,542,697.06

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Solution

The fourth proportional to 18,735,655.74, 25,847,286.35 and 12,542,697.06 is: 17,303,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735,655.74 : 25,847,286.35 = 12,542,697.06 : x
  2. Step 2: Convert to fraction form
    18,735,655.74/25,847,286.35 = 12,542,697.06/x
  3. Step 3: Cross multiply
    18,735,655.74x = 25,847,286.35 × 12,542,697.06
  4. Step 4: Simplify right side
    18,735,655.74x = 324,194,682,448,409.62
  5. Step 5: Solve for x
    x = 324,194,682,448,409.62/18,735,655.74
  6. Step 6: Final answer
    x = 17,303,620.80

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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.