Home / 13,580,434.40-20,379,625.20-6,394,023.20

Finding the Fourth Proportional to 13,580,434.40, 20,379,625.20 and 6,394,023.20

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Solution

The fourth proportional to 13,580,434.40, 20,379,625.20 and 6,394,023.20 is: 9,595,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,434.40 : 20,379,625.20 = 6,394,023.20 : x
  2. Step 2: Convert to fraction form
    13,580,434.40/20,379,625.20 = 6,394,023.20/x
  3. Step 3: Cross multiply
    13,580,434.40x = 20,379,625.20 × 6,394,023.20
  4. Step 4: Simplify right side
    13,580,434.40x = 130,307,796,336,104.64
  5. Step 5: Solve for x
    x = 130,307,796,336,104.64/13,580,434.40
  6. Step 6: Final answer
    x = 9,595,259.81

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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.