Home / 13,580,435.40-20,379,626.70-6,394,024.20

Finding the Fourth Proportional to 13,580,435.40, 20,379,626.70 and 6,394,024.20

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Solution

The fourth proportional to 13,580,435.40, 20,379,626.70 and 6,394,024.20 is: 9,595,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,435.40 : 20,379,626.70 = 6,394,024.20 : x
  2. Step 2: Convert to fraction form
    13,580,435.40/20,379,626.70 = 6,394,024.20/x
  3. Step 3: Cross multiply
    13,580,435.40x = 20,379,626.70 × 6,394,024.20
  4. Step 4: Simplify right side
    13,580,435.40x = 130,307,826,306,766.14
  5. Step 5: Solve for x
    x = 130,307,826,306,766.14/13,580,435.40
  6. Step 6: Final answer
    x = 9,595,261.31

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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.