Home / 13,269,641.08-18,311,515.62-7,389,578.56

Finding the Fourth Proportional to 13,269,641.08, 18,311,515.62 and 7,389,578.56

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Solution

The fourth proportional to 13,269,641.08, 18,311,515.62 and 7,389,578.56 is: 10,197,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,641.08 : 18,311,515.62 = 7,389,578.56 : x
  2. Step 2: Convert to fraction form
    13,269,641.08/18,311,515.62 = 7,389,578.56/x
  3. Step 3: Cross multiply
    13,269,641.08x = 18,311,515.62 × 7,389,578.56
  4. Step 4: Simplify right side
    13,269,641.08x = 135,314,383,226,657.11
  5. Step 5: Solve for x
    x = 135,314,383,226,657.11/13,269,641.08
  6. Step 6: Final answer
    x = 10,197,290.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.