Home / 9,665,286.90-13,338,145.56-5,314,653.78

Finding the Fourth Proportional to 9,665,286.90, 13,338,145.56 and 5,314,653.78

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Solution

The fourth proportional to 9,665,286.90, 13,338,145.56 and 5,314,653.78 is: 7,334,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,665,286.90 : 13,338,145.56 = 5,314,653.78 : x
  2. Step 2: Convert to fraction form
    9,665,286.90/13,338,145.56 = 5,314,653.78/x
  3. Step 3: Cross multiply
    9,665,286.90x = 13,338,145.56 × 5,314,653.78
  4. Step 4: Simplify right side
    9,665,286.90x = 70,887,625,718,644.22
  5. Step 5: Solve for x
    x = 70,887,625,718,644.22/9,665,286.90
  6. Step 6: Final answer
    x = 7,334,249.51

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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.