Home / 21,907,799.11-30,074,448.14-18,804,935.64

Finding the Fourth Proportional to 21,907,799.11, 30,074,448.14 and 18,804,935.64

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Solution

The fourth proportional to 21,907,799.11, 30,074,448.14 and 18,804,935.64 is: 25,814,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,907,799.11 : 30,074,448.14 = 18,804,935.64 : x
  2. Step 2: Convert to fraction form
    21,907,799.11/30,074,448.14 = 18,804,935.64/x
  3. Step 3: Cross multiply
    21,907,799.11x = 30,074,448.14 × 18,804,935.64
  4. Step 4: Simplify right side
    21,907,799.11x = 565,548,061,728,230
  5. Step 5: Solve for x
    x = 565,548,061,728,230/21,907,799.11
  6. Step 6: Final answer
    x = 25,814,919.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.