Home / 18,746,765.20-28,120,147.80-5,968,561.60

Finding the Fourth Proportional to 18,746,765.20, 28,120,147.80 and 5,968,561.60

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Solution

The fourth proportional to 18,746,765.20, 28,120,147.80 and 5,968,561.60 is: 8,952,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746,765.20 : 28,120,147.80 = 5,968,561.60 : x
  2. Step 2: Convert to fraction form
    18,746,765.20/28,120,147.80 = 5,968,561.60/x
  3. Step 3: Cross multiply
    18,746,765.20x = 28,120,147.80 × 5,968,561.60
  4. Step 4: Simplify right side
    18,746,765.20x = 167,836,834,345,404.47
  5. Step 5: Solve for x
    x = 167,836,834,345,404.47/18,746,765.20
  6. Step 6: Final answer
    x = 8,952,842.40

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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.