Home / 9,171,900.80-13,756,101.60-2,782,361.60

Finding the Fourth Proportional to 9,171,900.80, 13,756,101.60 and 2,782,361.60

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Solution

The fourth proportional to 9,171,900.80, 13,756,101.60 and 2,782,361.60 is: 4,173,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171,900.80 : 13,756,101.60 = 2,782,361.60 : x
  2. Step 2: Convert to fraction form
    9,171,900.80/13,756,101.60 = 2,782,361.60/x
  3. Step 3: Cross multiply
    9,171,900.80x = 13,756,101.60 × 2,782,361.60
  4. Step 4: Simplify right side
    9,171,900.80x = 38,274,448,857,538.56
  5. Step 5: Solve for x
    x = 38,274,448,857,538.56/9,171,900.80
  6. Step 6: Final answer
    x = 4,173,011.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.