Home / 12,647,859.60-18,972,314.20-3,672,411.60

Finding the Fourth Proportional to 12,647,859.60, 18,972,314.20 and 3,672,411.60

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Solution

The fourth proportional to 12,647,859.60, 18,972,314.20 and 3,672,411.60 is: 5,508,769.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647,859.60 : 18,972,314.20 = 3,672,411.60 : x
  2. Step 2: Convert to fraction form
    12,647,859.60/18,972,314.20 = 3,672,411.60/x
  3. Step 3: Cross multiply
    12,647,859.60x = 18,972,314.20 × 3,672,411.60
  4. Step 4: Simplify right side
    12,647,859.60x = 69,674,146,746,924.72
  5. Step 5: Solve for x
    x = 69,674,146,746,924.72/12,647,859.60
  6. Step 6: Final answer
    x = 5,508,769.78

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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.