Home / 18,321,556.52-25,286,858.03-10,591,080.14

Finding the Fourth Proportional to 18,321,556.52, 25,286,858.03 and 10,591,080.14

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Solution

The fourth proportional to 18,321,556.52, 25,286,858.03 and 10,591,080.14 is: 14,617,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321,556.52 : 25,286,858.03 = 10,591,080.14 : x
  2. Step 2: Convert to fraction form
    18,321,556.52/25,286,858.03 = 10,591,080.14/x
  3. Step 3: Cross multiply
    18,321,556.52x = 25,286,858.03 × 10,591,080.14
  4. Step 4: Simplify right side
    18,321,556.52x = 267,815,139,884,532.56
  5. Step 5: Solve for x
    x = 267,815,139,884,532.56/18,321,556.52
  6. Step 6: Final answer
    x = 14,617,488.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.