Home / 27,152,661.25-40,721,019.85-7,978,859.65

Finding the Fourth Proportional to 27,152,661.25, 40,721,019.85 and 7,978,859.65

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Solution

The fourth proportional to 27,152,661.25, 40,721,019.85 and 7,978,859.65 is: 11,965,946.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,152,661.25 : 40,721,019.85 = 7,978,859.65 : x
  2. Step 2: Convert to fraction form
    27,152,661.25/40,721,019.85 = 7,978,859.65/x
  3. Step 3: Cross multiply
    27,152,661.25x = 40,721,019.85 × 7,978,859.65
  4. Step 4: Simplify right side
    27,152,661.25x = 324,907,302,188,014.06
  5. Step 5: Solve for x
    x = 324,907,302,188,014.06/27,152,661.25
  6. Step 6: Final answer
    x = 11,965,946.88

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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.