Home / 18,279,994.20-25,211,682.78-16,070,132.01

Finding the Fourth Proportional to 18,279,994.20, 25,211,682.78 and 16,070,132.01

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Solution

The fourth proportional to 18,279,994.20, 25,211,682.78 and 16,070,132.01 is: 22,163,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,994.20 : 25,211,682.78 = 16,070,132.01 : x
  2. Step 2: Convert to fraction form
    18,279,994.20/25,211,682.78 = 16,070,132.01/x
  3. Step 3: Cross multiply
    18,279,994.20x = 25,211,682.78 × 16,070,132.01
  4. Step 4: Simplify right side
    18,279,994.20x = 405,155,070,468,843.81
  5. Step 5: Solve for x
    x = 405,155,070,468,843.81/18,279,994.20
  6. Step 6: Final answer
    x = 22,163,851.15

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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.