Home / 13,853,909.30-20,783,138.44-4,269,289.46

Finding the Fourth Proportional to 13,853,909.30, 20,783,138.44 and 4,269,289.46

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Solution

The fourth proportional to 13,853,909.30, 20,783,138.44 and 4,269,289.46 is: 6,404,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,909.30 : 20,783,138.44 = 4,269,289.46 : x
  2. Step 2: Convert to fraction form
    13,853,909.30/20,783,138.44 = 4,269,289.46/x
  3. Step 3: Cross multiply
    13,853,909.30x = 20,783,138.44 × 4,269,289.46
  4. Step 4: Simplify right side
    13,853,909.30x = 88,729,233,887,612.84
  5. Step 5: Solve for x
    x = 88,729,233,887,612.84/13,853,909.30
  6. Step 6: Final answer
    x = 6,404,635.11

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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.