Home / 18,077,839.65-27,105,832.25-7,282,532.19

Finding the Fourth Proportional to 18,077,839.65, 27,105,832.25 and 7,282,532.19

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Solution

The fourth proportional to 18,077,839.65, 27,105,832.25 and 7,282,532.19 is: 10,919,396.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077,839.65 : 27,105,832.25 = 7,282,532.19 : x
  2. Step 2: Convert to fraction form
    18,077,839.65/27,105,832.25 = 7,282,532.19/x
  3. Step 3: Cross multiply
    18,077,839.65x = 27,105,832.25 × 7,282,532.19
  4. Step 4: Simplify right side
    18,077,839.65x = 197,399,095,860,952.50
  5. Step 5: Solve for x
    x = 197,399,095,860,952.50/18,077,839.65
  6. Step 6: Final answer
    x = 10,919,396.33

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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.