Home / 18,389,548.60-27,584,322.90-15,519,767.20

Finding the Fourth Proportional to 18,389,548.60, 27,584,322.90 and 15,519,767.20

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Solution

The fourth proportional to 18,389,548.60, 27,584,322.90 and 15,519,767.20 is: 23,279,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389,548.60 : 27,584,322.90 = 15,519,767.20 : x
  2. Step 2: Convert to fraction form
    18,389,548.60/27,584,322.90 = 15,519,767.20/x
  3. Step 3: Cross multiply
    18,389,548.60x = 27,584,322.90 × 15,519,767.20
  4. Step 4: Simplify right side
    18,389,548.60x = 428,102,269,777,628.81
  5. Step 5: Solve for x
    x = 428,102,269,777,628.81/18,389,548.60
  6. Step 6: Final answer
    x = 23,279,650.80

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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.