Home / 18,200,809.20-27,265,784.40-10,099,286.40

Finding the Fourth Proportional to 18,200,809.20, 27,265,784.40 and 10,099,286.40

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Solution

The fourth proportional to 18,200,809.20, 27,265,784.40 and 10,099,286.40 is: 15,129,270.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200,809.20 : 27,265,784.40 = 10,099,286.40 : x
  2. Step 2: Convert to fraction form
    18,200,809.20/27,265,784.40 = 10,099,286.40/x
  3. Step 3: Cross multiply
    18,200,809.20x = 27,265,784.40 × 10,099,286.40
  4. Step 4: Simplify right side
    18,200,809.20x = 275,364,965,576,252.16
  5. Step 5: Solve for x
    x = 275,364,965,576,252.16/18,200,809.20
  6. Step 6: Final answer
    x = 15,129,270.49

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1.5x scale

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.