Home / 13,391,561.80-20,089,928.22-5,715,094.60

Finding the Fourth Proportional to 13,391,561.80, 20,089,928.22 and 5,715,094.60

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Solution

The fourth proportional to 13,391,561.80, 20,089,928.22 and 5,715,094.60 is: 8,573,745.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391,561.80 : 20,089,928.22 = 5,715,094.60 : x
  2. Step 2: Convert to fraction form
    13,391,561.80/20,089,928.22 = 5,715,094.60/x
  3. Step 3: Cross multiply
    13,391,561.80x = 20,089,928.22 × 5,715,094.60
  4. Step 4: Simplify right side
    13,391,561.80x = 114,815,840,320,337.83
  5. Step 5: Solve for x
    x = 114,815,840,320,337.83/13,391,561.80
  6. Step 6: Final answer
    x = 8,573,745.32

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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.