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Finding the Fourth Proportional to 18,597,874.63, 27,897,099.02 and 7,083,983.97

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Solution

The fourth proportional to 18,597,874.63, 27,897,099.02 and 7,083,983.97 is: 10,626,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597,874.63 : 27,897,099.02 = 7,083,983.97 : x
  2. Step 2: Convert to fraction form
    18,597,874.63/27,897,099.02 = 7,083,983.97/x
  3. Step 3: Cross multiply
    18,597,874.63x = 27,897,099.02 × 7,083,983.97
  4. Step 4: Simplify right side
    18,597,874.63x = 197,622,602,145,407.19
  5. Step 5: Solve for x
    x = 197,622,602,145,407.19/18,597,874.63
  6. Step 6: Final answer
    x = 10,626,085.30

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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.