Home / 7,394,138.40-11,089,652.40-3,134,445.60

Finding the Fourth Proportional to 7,394,138.40, 11,089,652.40 and 3,134,445.60

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Solution

The fourth proportional to 7,394,138.40, 11,089,652.40 and 3,134,445.60 is: 4,701,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,394,138.40 : 11,089,652.40 = 3,134,445.60 : x
  2. Step 2: Convert to fraction form
    7,394,138.40/11,089,652.40 = 3,134,445.60/x
  3. Step 3: Cross multiply
    7,394,138.40x = 11,089,652.40 × 3,134,445.60
  4. Step 4: Simplify right side
    7,394,138.40x = 34,759,912,170,709.44
  5. Step 5: Solve for x
    x = 34,759,912,170,709.44/7,394,138.40
  6. Step 6: Final answer
    x = 4,701,009.14

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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.