Home / 18,746,767.20-28,120,150.80-5,968,563.60

Finding the Fourth Proportional to 18,746,767.20, 28,120,150.80 and 5,968,563.60

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Solution

The fourth proportional to 18,746,767.20, 28,120,150.80 and 5,968,563.60 is: 8,952,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746,767.20 : 28,120,150.80 = 5,968,563.60 : x
  2. Step 2: Convert to fraction form
    18,746,767.20/28,120,150.80 = 5,968,563.60/x
  3. Step 3: Cross multiply
    18,746,767.20x = 28,120,150.80 × 5,968,563.60
  4. Step 4: Simplify right side
    18,746,767.20x = 167,836,908,491,390.88
  5. Step 5: Solve for x
    x = 167,836,908,491,390.88/18,746,767.20
  6. Step 6: Final answer
    x = 8,952,845.40

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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.