Home / 18,354,704.20-27,532,056.30-15,368,720.20

Finding the Fourth Proportional to 18,354,704.20, 27,532,056.30 and 15,368,720.20

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Solution

The fourth proportional to 18,354,704.20, 27,532,056.30 and 15,368,720.20 is: 23,053,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354,704.20 : 27,532,056.30 = 15,368,720.20 : x
  2. Step 2: Convert to fraction form
    18,354,704.20/27,532,056.30 = 15,368,720.20/x
  3. Step 3: Cross multiply
    18,354,704.20x = 27,532,056.30 × 15,368,720.20
  4. Step 4: Simplify right side
    18,354,704.20x = 423,132,469,805,347.25
  5. Step 5: Solve for x
    x = 423,132,469,805,347.25/18,354,704.20
  6. Step 6: Final answer
    x = 23,053,080.30

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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.