Home / 13,203,374.20-19,781,441.70-11,313,806.20

Finding the Fourth Proportional to 13,203,374.20, 19,781,441.70 and 11,313,806.20

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Solution

The fourth proportional to 13,203,374.20, 19,781,441.70 and 11,313,806.20 is: 16,950,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,374.20 : 19,781,441.70 = 11,313,806.20 : x
  2. Step 2: Convert to fraction form
    13,203,374.20/19,781,441.70 = 11,313,806.20/x
  3. Step 3: Cross multiply
    13,203,374.20x = 19,781,441.70 × 11,313,806.20
  4. Step 4: Simplify right side
    13,203,374.20x = 223,803,397,750,398.53
  5. Step 5: Solve for x
    x = 223,803,397,750,398.53/13,203,374.20
  6. Step 6: Final answer
    x = 16,950,469.96

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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.