Home / 18,053,934.21-27,087,642.81-7,274,293.29

Finding the Fourth Proportional to 18,053,934.21, 27,087,642.81 and 7,274,293.29

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Solution

The fourth proportional to 18,053,934.21, 27,087,642.81 and 7,274,293.29 is: 10,914,156.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053,934.21 : 27,087,642.81 = 7,274,293.29 : x
  2. Step 2: Convert to fraction form
    18,053,934.21/27,087,642.81 = 7,274,293.29/x
  3. Step 3: Cross multiply
    18,053,934.21x = 27,087,642.81 × 7,274,293.29
  4. Step 4: Simplify right side
    18,053,934.21x = 197,043,458,334,699.75
  5. Step 5: Solve for x
    x = 197,043,458,334,699.75/18,053,934.21
  6. Step 6: Final answer
    x = 10,914,156.22

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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.