Home / 13,684,285.50-18,783,722.64-12,100,853.76

Finding the Fourth Proportional to 13,684,285.50, 18,783,722.64 and 12,100,853.76

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Solution

The fourth proportional to 13,684,285.50, 18,783,722.64 and 12,100,853.76 is: 16,610,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684,285.50 : 18,783,722.64 = 12,100,853.76 : x
  2. Step 2: Convert to fraction form
    13,684,285.50/18,783,722.64 = 12,100,853.76/x
  3. Step 3: Cross multiply
    13,684,285.50x = 18,783,722.64 × 12,100,853.76
  4. Step 4: Simplify right side
    13,684,285.50x = 227,299,080,760,101.88
  5. Step 5: Solve for x
    x = 227,299,080,760,101.88/13,684,285.50
  6. Step 6: Final answer
    x = 16,610,226.43

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.