Home / 7,143,449.82-9,857,953.26-3,880,267.14

Finding the Fourth Proportional to 7,143,449.82, 9,857,953.26 and 3,880,267.14

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Solution

The fourth proportional to 7,143,449.82, 9,857,953.26 and 3,880,267.14 is: 5,354,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143,449.82 : 9,857,953.26 = 3,880,267.14 : x
  2. Step 2: Convert to fraction form
    7,143,449.82/9,857,953.26 = 3,880,267.14/x
  3. Step 3: Cross multiply
    7,143,449.82x = 9,857,953.26 × 3,880,267.14
  4. Step 4: Simplify right side
    7,143,449.82x = 38,251,492,102,433.88
  5. Step 5: Solve for x
    x = 38,251,492,102,433.88/7,143,449.82
  6. Step 6: Final answer
    x = 5,354,764.58

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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.