Home / 13,808,930.75-20,712,645.32-4,224,309.29

Finding the Fourth Proportional to 13,808,930.75, 20,712,645.32 and 4,224,309.29

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Solution

The fourth proportional to 13,808,930.75, 20,712,645.32 and 4,224,309.29 is: 6,336,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808,930.75 : 20,712,645.32 = 4,224,309.29 : x
  2. Step 2: Convert to fraction form
    13,808,930.75/20,712,645.32 = 4,224,309.29/x
  3. Step 3: Cross multiply
    13,808,930.75x = 20,712,645.32 × 4,224,309.29
  4. Step 4: Simplify right side
    13,808,930.75x = 87,496,619,972,847.86
  5. Step 5: Solve for x
    x = 87,496,619,972,847.86/13,808,930.75
  6. Step 6: Final answer
    x = 6,336,234.25

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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.