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Finding the Fourth Proportional to 18,865,059.10, 26,034,806.54 and 10,493,313.30

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Solution

The fourth proportional to 18,865,059.10, 26,034,806.54 and 10,493,313.30 is: 14,481,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865,059.10 : 26,034,806.54 = 10,493,313.30 : x
  2. Step 2: Convert to fraction form
    18,865,059.10/26,034,806.54 = 10,493,313.30/x
  3. Step 3: Cross multiply
    18,865,059.10x = 26,034,806.54 × 10,493,313.30
  4. Step 4: Simplify right side
    18,865,059.10x = 273,191,381,755,342.28
  5. Step 5: Solve for x
    x = 273,191,381,755,342.28/18,865,059.10
  6. Step 6: Final answer
    x = 14,481,342.48

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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.