Home / 23,189,578.96-34,628,207.84-18,938,180.56

Finding the Fourth Proportional to 23,189,578.96, 34,628,207.84 and 18,938,180.56

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Solution

The fourth proportional to 23,189,578.96, 34,628,207.84 and 18,938,180.56 is: 28,279,739.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189,578.96 : 34,628,207.84 = 18,938,180.56 : x
  2. Step 2: Convert to fraction form
    23,189,578.96/34,628,207.84 = 18,938,180.56/x
  3. Step 3: Cross multiply
    23,189,578.96x = 34,628,207.84 × 18,938,180.56
  4. Step 4: Simplify right side
    23,189,578.96x = 655,795,252,543,127.62
  5. Step 5: Solve for x
    x = 655,795,252,543,127.62/23,189,578.96
  6. Step 6: Final answer
    x = 28,279,739.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.