Home / 18,709,096.40-28,055,350.20-8,614,811.60

Finding the Fourth Proportional to 18,709,096.40, 28,055,350.20 and 8,614,811.60

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Solution

The fourth proportional to 18,709,096.40, 28,055,350.20 and 8,614,811.60 is: 12,918,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709,096.40 : 28,055,350.20 = 8,614,811.60 : x
  2. Step 2: Convert to fraction form
    18,709,096.40/28,055,350.20 = 8,614,811.60/x
  3. Step 3: Cross multiply
    18,709,096.40x = 28,055,350.20 × 8,614,811.60
  4. Step 4: Simplify right side
    18,709,096.40x = 241,691,556,345,022.31
  5. Step 5: Solve for x
    x = 241,691,556,345,022.31/18,709,096.40
  6. Step 6: Final answer
    x = 12,918,398.15

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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.