Home / 18,146,348.48-27,216,570.24-7,363,213.76

Finding the Fourth Proportional to 18,146,348.48, 27,216,570.24 and 7,363,213.76

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Solution

The fourth proportional to 18,146,348.48, 27,216,570.24 and 7,363,213.76 is: 11,043,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,348.48 : 27,216,570.24 = 7,363,213.76 : x
  2. Step 2: Convert to fraction form
    18,146,348.48/27,216,570.24 = 7,363,213.76/x
  3. Step 3: Cross multiply
    18,146,348.48x = 27,216,570.24 × 7,363,213.76
  4. Step 4: Simplify right side
    18,146,348.48x = 200,401,424,491,174.47
  5. Step 5: Solve for x
    x = 200,401,424,491,174.47/18,146,348.48
  6. Step 6: Final answer
    x = 11,043,622.62

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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.