Home / 12,003,119.42-18,004,043.95-3,367,821.20

Finding the Fourth Proportional to 12,003,119.42, 18,004,043.95 and 3,367,821.20

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Solution

The fourth proportional to 12,003,119.42, 18,004,043.95 and 3,367,821.20 is: 5,051,553.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003,119.42 : 18,004,043.95 = 3,367,821.20 : x
  2. Step 2: Convert to fraction form
    12,003,119.42/18,004,043.95 = 3,367,821.20/x
  3. Step 3: Cross multiply
    12,003,119.42x = 18,004,043.95 × 3,367,821.20
  4. Step 4: Simplify right side
    12,003,119.42x = 60,634,400,802,101.97
  5. Step 5: Solve for x
    x = 60,634,400,802,101.97/12,003,119.42
  6. Step 6: Final answer
    x = 5,051,553.58

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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.