Home / 12,904,643.94-19,370,417.52-5,721,222.54

Finding the Fourth Proportional to 12,904,643.94, 19,370,417.52 and 5,721,222.54

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Solution

The fourth proportional to 12,904,643.94, 19,370,417.52 and 5,721,222.54 is: 8,587,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904,643.94 : 19,370,417.52 = 5,721,222.54 : x
  2. Step 2: Convert to fraction form
    12,904,643.94/19,370,417.52 = 5,721,222.54/x
  3. Step 3: Cross multiply
    12,904,643.94x = 19,370,417.52 × 5,721,222.54
  4. Step 4: Simplify right side
    12,904,643.94x = 110,822,469,324,634.91
  5. Step 5: Solve for x
    x = 110,822,469,324,634.91/12,904,643.94
  6. Step 6: Final answer
    x = 8,587,797.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.