Home / 7,281,515.82-10,048,732.94-3,973,990.64

Finding the Fourth Proportional to 7,281,515.82, 10,048,732.94 and 3,973,990.64

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Solution

The fourth proportional to 7,281,515.82, 10,048,732.94 and 3,973,990.64 is: 5,484,238.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281,515.82 : 10,048,732.94 = 3,973,990.64 : x
  2. Step 2: Convert to fraction form
    7,281,515.82/10,048,732.94 = 3,973,990.64/x
  3. Step 3: Cross multiply
    7,281,515.82x = 10,048,732.94 × 3,973,990.64
  4. Step 4: Simplify right side
    7,281,515.82x = 39,933,570,647,419.68
  5. Step 5: Solve for x
    x = 39,933,570,647,419.68/7,281,515.82
  6. Step 6: Final answer
    x = 5,484,238.67

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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.