Home / 18,707,233.53-28,075,963.84-7,932,100.49

Finding the Fourth Proportional to 18,707,233.53, 28,075,963.84 and 7,932,100.49

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Solution

The fourth proportional to 18,707,233.53, 28,075,963.84 and 7,932,100.49 is: 11,904,559.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707,233.53 : 28,075,963.84 = 7,932,100.49 : x
  2. Step 2: Convert to fraction form
    18,707,233.53/28,075,963.84 = 7,932,100.49/x
  3. Step 3: Cross multiply
    18,707,233.53x = 28,075,963.84 × 7,932,100.49
  4. Step 4: Simplify right side
    18,707,233.53x = 222,701,366,556,524.69
  5. Step 5: Solve for x
    x = 222,701,366,556,524.69/18,707,233.53
  6. Step 6: Final answer
    x = 11,904,559.07

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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.