Home / 18,401,848.88-27,603,059.40-5,449,309.79

Finding the Fourth Proportional to 18,401,848.88, 27,603,059.40 and 5,449,309.79

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Solution

The fourth proportional to 18,401,848.88, 27,603,059.40 and 5,449,309.79 is: 8,174,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401,848.88 : 27,603,059.40 = 5,449,309.79 : x
  2. Step 2: Convert to fraction form
    18,401,848.88/27,603,059.40 = 5,449,309.79/x
  3. Step 3: Cross multiply
    18,401,848.88x = 27,603,059.40 × 5,449,309.79
  4. Step 4: Simplify right side
    18,401,848.88x = 150,417,621,822,371.53
  5. Step 5: Solve for x
    x = 150,417,621,822,371.53/18,401,848.88
  6. Step 6: Final answer
    x = 8,174,049.40

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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.