Home / 18,892,372.30-28,296,568.05-15,533,140.30

Finding the Fourth Proportional to 18,892,372.30, 28,296,568.05 and 15,533,140.30

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Solution

The fourth proportional to 18,892,372.30, 28,296,568.05 and 15,533,140.30 is: 23,265,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892,372.30 : 28,296,568.05 = 15,533,140.30 : x
  2. Step 2: Convert to fraction form
    18,892,372.30/28,296,568.05 = 15,533,140.30/x
  3. Step 3: Cross multiply
    18,892,372.30x = 28,296,568.05 × 15,533,140.30
  4. Step 4: Simplify right side
    18,892,372.30x = 439,534,561,529,147.44
  5. Step 5: Solve for x
    x = 439,534,561,529,147.44/18,892,372.30
  6. Step 6: Final answer
    x = 23,265,186.32

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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.