Home / 13,818,122.92-19,059,136.12-11,979,293.32

Finding the Fourth Proportional to 13,818,122.92, 19,059,136.12 and 11,979,293.32

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Solution

The fourth proportional to 13,818,122.92, 19,059,136.12 and 11,979,293.32 is: 16,522,865.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,122.92 : 19,059,136.12 = 11,979,293.32 : x
  2. Step 2: Convert to fraction form
    13,818,122.92/19,059,136.12 = 11,979,293.32/x
  3. Step 3: Cross multiply
    13,818,122.92x = 19,059,136.12 × 11,979,293.32
  4. Step 4: Simplify right side
    13,818,122.92x = 228,314,982,007,286.75
  5. Step 5: Solve for x
    x = 228,314,982,007,286.75/13,818,122.92
  6. Step 6: Final answer
    x = 16,522,865.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.