Home / 15,036,519.21-22,516,625.39-12,601,268.79

Finding the Fourth Proportional to 15,036,519.21, 22,516,625.39 and 12,601,268.79

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Solution

The fourth proportional to 15,036,519.21, 22,516,625.39 and 12,601,268.79 is: 18,869,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,519.21 : 22,516,625.39 = 12,601,268.79 : x
  2. Step 2: Convert to fraction form
    15,036,519.21/22,516,625.39 = 12,601,268.79/x
  3. Step 3: Cross multiply
    15,036,519.21x = 22,516,625.39 × 12,601,268.79
  4. Step 4: Simplify right side
    15,036,519.21x = 283,738,048,720,122.25
  5. Step 5: Solve for x
    x = 283,738,048,720,122.25/15,036,519.21
  6. Step 6: Final answer
    x = 18,869,928.92

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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.