Home / 54,291,824.88-81,437,020.08-13,351,617.36

Finding the Fourth Proportional to 54,291,824.88, 81,437,020.08 and 13,351,617.36

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Solution

The fourth proportional to 54,291,824.88, 81,437,020.08 and 13,351,617.36 is: 20,027,249.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,291,824.88 : 81,437,020.08 = 13,351,617.36 : x
  2. Step 2: Convert to fraction form
    54,291,824.88/81,437,020.08 = 13,351,617.36/x
  3. Step 3: Cross multiply
    54,291,824.88x = 81,437,020.08 × 13,351,617.36
  4. Step 4: Simplify right side
    54,291,824.88x = 1,087,315,931,046,796.50
  5. Step 5: Solve for x
    x = 1,087,315,931,046,796.50/54,291,824.88
  6. Step 6: Final answer
    x = 20,027,249.65

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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.