Home / 18,311,288.31-25,269,605.55-9,938,661.08

Finding the Fourth Proportional to 18,311,288.31, 25,269,605.55 and 9,938,661.08

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Solution

The fourth proportional to 18,311,288.31, 25,269,605.55 and 9,938,661.08 is: 13,715,367.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311,288.31 : 25,269,605.55 = 9,938,661.08 : x
  2. Step 2: Convert to fraction form
    18,311,288.31/25,269,605.55 = 9,938,661.08/x
  3. Step 3: Cross multiply
    18,311,288.31x = 25,269,605.55 × 9,938,661.08
  4. Step 4: Simplify right side
    18,311,288.31x = 251,146,045,202,530.50
  5. Step 5: Solve for x
    x = 251,146,045,202,530.50/18,311,288.31
  6. Step 6: Final answer
    x = 13,715,367.32

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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.