Home / 8,764,428.42-13,147,321.23-2,928,634.32

Finding the Fourth Proportional to 8,764,428.42, 13,147,321.23 and 2,928,634.32

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Solution

The fourth proportional to 8,764,428.42, 13,147,321.23 and 2,928,634.32 is: 4,393,178.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764,428.42 : 13,147,321.23 = 2,928,634.32 : x
  2. Step 2: Convert to fraction form
    8,764,428.42/13,147,321.23 = 2,928,634.32/x
  3. Step 3: Cross multiply
    8,764,428.42x = 13,147,321.23 × 2,928,634.32
  4. Step 4: Simplify right side
    8,764,428.42x = 38,503,696,170,242.61
  5. Step 5: Solve for x
    x = 38,503,696,170,242.61/8,764,428.42
  6. Step 6: Final answer
    x = 4,393,178.23

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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.