Home / 36,408,678.72-50,245,504.04-20,938,775.64

Finding the Fourth Proportional to 36,408,678.72, 50,245,504.04 and 20,938,775.64

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Solution

The fourth proportional to 36,408,678.72, 50,245,504.04 and 20,938,775.64 is: 28,896,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,408,678.72 : 50,245,504.04 = 20,938,775.64 : x
  2. Step 2: Convert to fraction form
    36,408,678.72/50,245,504.04 = 20,938,775.64/x
  3. Step 3: Cross multiply
    36,408,678.72x = 50,245,504.04 × 20,938,775.64
  4. Step 4: Simplify right side
    36,408,678.72x = 1,052,079,336,012,273.62
  5. Step 5: Solve for x
    x = 1,052,079,336,012,273.62/36,408,678.72
  6. Step 6: Final answer
    x = 28,896,388.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.