Home / 39,192,185.82-58,806,124.71-20,013,070.62

Finding the Fourth Proportional to 39,192,185.82, 58,806,124.71 and 20,013,070.62

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Solution

The fourth proportional to 39,192,185.82, 58,806,124.71 and 20,013,070.62 is: 30,028,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,192,185.82 : 58,806,124.71 = 20,013,070.62 : x
  2. Step 2: Convert to fraction form
    39,192,185.82/58,806,124.71 = 20,013,070.62/x
  3. Step 3: Cross multiply
    39,192,185.82x = 58,806,124.71 × 20,013,070.62
  4. Step 4: Simplify right side
    39,192,185.82x = 1,176,891,126,709,757
  5. Step 5: Solve for x
    x = 1,176,891,126,709,757/39,192,185.82
  6. Step 6: Final answer
    x = 30,028,718.79

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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.