Home / 18,801,448.17-28,202,172.26-12,410,205.86

Finding the Fourth Proportional to 18,801,448.17, 28,202,172.26 and 12,410,205.86

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Solution

The fourth proportional to 18,801,448.17, 28,202,172.26 and 12,410,205.86 is: 18,615,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801,448.17 : 28,202,172.26 = 12,410,205.86 : x
  2. Step 2: Convert to fraction form
    18,801,448.17/28,202,172.26 = 12,410,205.86/x
  3. Step 3: Cross multiply
    18,801,448.17x = 28,202,172.26 × 12,410,205.86
  4. Step 4: Simplify right side
    18,801,448.17x = 349,994,763,242,719.56
  5. Step 5: Solve for x
    x = 349,994,763,242,719.56/18,801,448.17
  6. Step 6: Final answer
    x = 18,615,308.78

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1.5x scale

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.