Home / 12,825,735.97-17,700,782.00-7,319,933.40

Finding the Fourth Proportional to 12,825,735.97, 17,700,782.00 and 7,319,933.40

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Solution

The fourth proportional to 12,825,735.97, 17,700,782.00 and 7,319,933.40 is: 10,102,230.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825,735.97 : 17,700,782.00 = 7,319,933.40 : x
  2. Step 2: Convert to fraction form
    12,825,735.97/17,700,782.00 = 7,319,933.40/x
  3. Step 3: Cross multiply
    12,825,735.97x = 17,700,782.00 × 7,319,933.40
  4. Step 4: Simplify right side
    12,825,735.97x = 129,568,545,318,721.16
  5. Step 5: Solve for x
    x = 129,568,545,318,721.16/12,825,735.97
  6. Step 6: Final answer
    x = 10,102,230.83

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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.