Home / 18,650,873-27,975,025.38-11,463,516.20

Finding the Fourth Proportional to 18,650,873, 27,975,025.38 and 11,463,516.20

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Solution

The fourth proportional to 18,650,873, 27,975,025.38 and 11,463,516.20 is: 17,194,485.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650,873 : 27,975,025.38 = 11,463,516.20 : x
  2. Step 2: Convert to fraction form
    18,650,873/27,975,025.38 = 11,463,516.20/x
  3. Step 3: Cross multiply
    18,650,873x = 27,975,025.38 × 11,463,516.20
  4. Step 4: Simplify right side
    18,650,873x = 320,692,156,639,041.12
  5. Step 5: Solve for x
    x = 320,692,156,639,041.12/18,650,873
  6. Step 6: Final answer
    x = 17,194,485.03

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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.