Home / 18,843,549.40-28,265,324.10-6,726,694.60

Finding the Fourth Proportional to 18,843,549.40, 28,265,324.10 and 6,726,694.60

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Solution

The fourth proportional to 18,843,549.40, 28,265,324.10 and 6,726,694.60 is: 10,090,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843,549.40 : 28,265,324.10 = 6,726,694.60 : x
  2. Step 2: Convert to fraction form
    18,843,549.40/28,265,324.10 = 6,726,694.60/x
  3. Step 3: Cross multiply
    18,843,549.40x = 28,265,324.10 × 6,726,694.60
  4. Step 4: Simplify right side
    18,843,549.40x = 190,132,202,990,719.88
  5. Step 5: Solve for x
    x = 190,132,202,990,719.88/18,843,549.40
  6. Step 6: Final answer
    x = 10,090,041.90

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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.