Home / 20,089,930.56-30,131,667.36-5,513,444.34

Finding the Fourth Proportional to 20,089,930.56, 30,131,667.36 and 5,513,444.34

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Solution

The fourth proportional to 20,089,930.56, 30,131,667.36 and 5,513,444.34 is: 8,269,280.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089,930.56 : 30,131,667.36 = 5,513,444.34 : x
  2. Step 2: Convert to fraction form
    20,089,930.56/30,131,667.36 = 5,513,444.34/x
  3. Step 3: Cross multiply
    20,089,930.56x = 30,131,667.36 × 5,513,444.34
  4. Step 4: Simplify right side
    20,089,930.56x = 166,129,270,860,754.75
  5. Step 5: Solve for x
    x = 166,129,270,860,754.75/20,089,930.56
  6. Step 6: Final answer
    x = 8,269,280.49

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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.