Home / 27,978,036-41,920,658.12-17,015,065.62

Finding the Fourth Proportional to 27,978,036, 41,920,658.12 and 17,015,065.62

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Solution

The fourth proportional to 27,978,036, 41,920,658.12 and 17,015,065.62 is: 25,494,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,978,036 : 41,920,658.12 = 17,015,065.62 : x
  2. Step 2: Convert to fraction form
    27,978,036/41,920,658.12 = 17,015,065.62/x
  3. Step 3: Cross multiply
    27,978,036x = 41,920,658.12 × 17,015,065.62
  4. Step 4: Simplify right side
    27,978,036x = 713,282,748,745,385.88
  5. Step 5: Solve for x
    x = 713,282,748,745,385.88/27,978,036
  6. Step 6: Final answer
    x = 25,494,382.41

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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.