Home / 27,389,040-41,068,169.31-18,762,866.82

Finding the Fourth Proportional to 27,389,040, 41,068,169.31 and 18,762,866.82

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Solution

The fourth proportional to 27,389,040, 41,068,169.31 and 18,762,866.82 is: 28,133,756.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,389,040 : 41,068,169.31 = 18,762,866.82 : x
  2. Step 2: Convert to fraction form
    27,389,040/41,068,169.31 = 18,762,866.82/x
  3. Step 3: Cross multiply
    27,389,040x = 41,068,169.31 × 18,762,866.82
  4. Step 4: Simplify right side
    27,389,040x = 770,556,591,304,741.38
  5. Step 5: Solve for x
    x = 770,556,591,304,741.38/27,389,040
  6. Step 6: Final answer
    x = 28,133,756.84

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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.