Home / 38,647,811.20-57,971,716.80-18,492,419.20

Finding the Fourth Proportional to 38,647,811.20, 57,971,716.80 and 18,492,419.20

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Solution

The fourth proportional to 38,647,811.20, 57,971,716.80 and 18,492,419.20 is: 27,738,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,647,811.20 : 57,971,716.80 = 18,492,419.20 : x
  2. Step 2: Convert to fraction form
    38,647,811.20/57,971,716.80 = 18,492,419.20/x
  3. Step 3: Cross multiply
    38,647,811.20x = 57,971,716.80 × 18,492,419.20
  4. Step 4: Simplify right side
    38,647,811.20x = 1,072,037,288,809,282.50
  5. Step 5: Solve for x
    x = 1,072,037,288,809,282.50/38,647,811.20
  6. Step 6: Final answer
    x = 27,738,628.80

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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.