Home / 7,143,447.82-9,857,950.50-3,880,265.14

Finding the Fourth Proportional to 7,143,447.82, 9,857,950.50 and 3,880,265.14

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Solution

The fourth proportional to 7,143,447.82, 9,857,950.50 and 3,880,265.14 is: 5,354,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143,447.82 : 9,857,950.50 = 3,880,265.14 : x
  2. Step 2: Convert to fraction form
    7,143,447.82/9,857,950.50 = 3,880,265.14/x
  3. Step 3: Cross multiply
    7,143,447.82x = 9,857,950.50 × 3,880,265.14
  4. Step 4: Simplify right side
    7,143,447.82x = 38,251,461,676,995.57
  5. Step 5: Solve for x
    x = 38,251,461,676,995.57/7,143,447.82
  6. Step 6: Final answer
    x = 5,354,761.82

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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.