Home / 8,428,455.40-11,631,299.14-4,560,976.21

Finding the Fourth Proportional to 8,428,455.40, 11,631,299.14 and 4,560,976.21

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Solution

The fourth proportional to 8,428,455.40, 11,631,299.14 and 4,560,976.21 is: 6,294,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,455.40 : 11,631,299.14 = 4,560,976.21 : x
  2. Step 2: Convert to fraction form
    8,428,455.40/11,631,299.14 = 4,560,976.21/x
  3. Step 3: Cross multiply
    8,428,455.40x = 11,631,299.14 × 4,560,976.21
  4. Step 4: Simplify right side
    8,428,455.40x = 53,050,078,668,933.46
  5. Step 5: Solve for x
    x = 53,050,078,668,933.46/8,428,455.40
  6. Step 6: Final answer
    x = 6,294,163.78

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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.