Home / 18,784,119.11-28,175,777.52-5,137,265.54

Finding the Fourth Proportional to 18,784,119.11, 28,175,777.52 and 5,137,265.54

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Solution

The fourth proportional to 18,784,119.11, 28,175,777.52 and 5,137,265.54 is: 7,705,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784,119.11 : 28,175,777.52 = 5,137,265.54 : x
  2. Step 2: Convert to fraction form
    18,784,119.11/28,175,777.52 = 5,137,265.54/x
  3. Step 3: Cross multiply
    18,784,119.11x = 28,175,777.52 × 5,137,265.54
  4. Step 4: Simplify right side
    18,784,119.11x = 144,746,450,775,323.78
  5. Step 5: Solve for x
    x = 144,746,450,775,323.78/18,784,119.11
  6. Step 6: Final answer
    x = 7,705,788.60

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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.