Home / 13,089,138.59-18,066,190.55-7,581,621.96

Finding the Fourth Proportional to 13,089,138.59, 18,066,190.55 and 7,581,621.96

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Solution

The fourth proportional to 13,089,138.59, 18,066,190.55 and 7,581,621.96 is: 10,464,479.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089,138.59 : 18,066,190.55 = 7,581,621.96 : x
  2. Step 2: Convert to fraction form
    13,089,138.59/18,066,190.55 = 7,581,621.96/x
  3. Step 3: Cross multiply
    13,089,138.59x = 18,066,190.55 × 7,581,621.96
  4. Step 4: Simplify right side
    13,089,138.59x = 136,971,027,007,424.48
  5. Step 5: Solve for x
    x = 136,971,027,007,424.48/13,089,138.59
  6. Step 6: Final answer
    x = 10,464,479.85

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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.