Home / 17,763,612.40-26,609,989.20-12,378,343.60

Finding the Fourth Proportional to 17,763,612.40, 26,609,989.20 and 12,378,343.60

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Solution

The fourth proportional to 17,763,612.40, 26,609,989.20 and 12,378,343.60 is: 18,542,826.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,763,612.40 : 26,609,989.20 = 12,378,343.60 : x
  2. Step 2: Convert to fraction form
    17,763,612.40/26,609,989.20 = 12,378,343.60/x
  3. Step 3: Cross multiply
    17,763,612.40x = 26,609,989.20 × 12,378,343.60
  4. Step 4: Simplify right side
    17,763,612.40x = 329,387,589,509,889.12
  5. Step 5: Solve for x
    x = 329,387,589,509,889.12/17,763,612.40
  6. Step 6: Final answer
    x = 18,542,826.88

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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.