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Finding the Fourth Proportional to 18,000,980.45, 24,841,418.43 and 9,741,041.87

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Solution

The fourth proportional to 18,000,980.45, 24,841,418.43 and 9,741,041.87 is: 13,442,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000,980.45 : 24,841,418.43 = 9,741,041.87 : x
  2. Step 2: Convert to fraction form
    18,000,980.45/24,841,418.43 = 9,741,041.87/x
  3. Step 3: Cross multiply
    18,000,980.45x = 24,841,418.43 × 9,741,041.87
  4. Step 4: Simplify right side
    18,000,980.45x = 241,981,296,912,612.56
  5. Step 5: Solve for x
    x = 241,981,296,912,612.56/18,000,980.45
  6. Step 6: Final answer
    x = 13,442,673.17

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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.