Home / 20,089,893.12-30,131,611.12-5,513,406.90

Finding the Fourth Proportional to 20,089,893.12, 30,131,611.12 and 5,513,406.90

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Solution

The fourth proportional to 20,089,893.12, 30,131,611.12 and 5,513,406.90 is: 8,269,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089,893.12 : 30,131,611.12 = 5,513,406.90 : x
  2. Step 2: Convert to fraction form
    20,089,893.12/30,131,611.12 = 5,513,406.90/x
  3. Step 3: Cross multiply
    20,089,893.12x = 30,131,611.12 × 5,513,406.90
  4. Step 4: Simplify right side
    20,089,893.12x = 166,127,832,520,010.03
  5. Step 5: Solve for x
    x = 166,127,832,520,010.03/20,089,893.12
  6. Step 6: Final answer
    x = 8,269,224.31

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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.