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Finding the Fourth Proportional to 18,000,980.96, 24,841,419.12 and 9,741,042.37

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Solution

The fourth proportional to 18,000,980.96, 24,841,419.12 and 9,741,042.37 is: 13,442,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000,980.96 : 24,841,419.12 = 9,741,042.37 : x
  2. Step 2: Convert to fraction form
    18,000,980.96/24,841,419.12 = 9,741,042.37/x
  3. Step 3: Cross multiply
    18,000,980.96x = 24,841,419.12 × 9,741,042.37
  4. Step 4: Simplify right side
    18,000,980.96x = 241,981,316,178,848.09
  5. Step 5: Solve for x
    x = 241,981,316,178,848.09/18,000,980.96
  6. Step 6: Final answer
    x = 13,442,673.86

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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.