Home / 12,171,867.48-18,259,581.60-3,652,877.16

Finding the Fourth Proportional to 12,171,867.48, 18,259,581.60 and 3,652,877.16

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Solution

The fourth proportional to 12,171,867.48, 18,259,581.60 and 3,652,877.16 is: 5,479,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171,867.48 : 18,259,581.60 = 3,652,877.16 : x
  2. Step 2: Convert to fraction form
    12,171,867.48/18,259,581.60 = 3,652,877.16/x
  3. Step 3: Cross multiply
    12,171,867.48x = 18,259,581.60 × 3,652,877.16
  4. Step 4: Simplify right side
    12,171,867.48x = 66,700,008,577,796.27
  5. Step 5: Solve for x
    x = 66,700,008,577,796.27/12,171,867.48
  6. Step 6: Final answer
    x = 5,479,850.05

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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.