Home / 19,512,204-29,236,376.06-11,812,510.86

Finding the Fourth Proportional to 19,512,204, 29,236,376.06 and 11,812,510.86

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Solution

The fourth proportional to 19,512,204, 29,236,376.06 and 11,812,510.86 is: 17,699,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,512,204 : 29,236,376.06 = 11,812,510.86 : x
  2. Step 2: Convert to fraction form
    19,512,204/29,236,376.06 = 11,812,510.86/x
  3. Step 3: Cross multiply
    19,512,204x = 29,236,376.06 × 11,812,510.86
  4. Step 4: Simplify right side
    19,512,204x = 345,355,009,715,794
  5. Step 5: Solve for x
    x = 345,355,009,715,794/19,512,204
  6. Step 6: Final answer
    x = 17,699,436.19

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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.