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Finding the Fourth Proportional to 18,581,013, 25,641,798 and 10,432,425.96

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Solution

The fourth proportional to 18,581,013, 25,641,798 and 10,432,425.96 is: 14,396,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581,013 : 25,641,798 = 10,432,425.96 : x
  2. Step 2: Convert to fraction form
    18,581,013/25,641,798 = 10,432,425.96/x
  3. Step 3: Cross multiply
    18,581,013x = 25,641,798 × 10,432,425.96
  4. Step 4: Simplify right side
    18,581,013x = 267,506,159,116,276.09
  5. Step 5: Solve for x
    x = 267,506,159,116,276.09/18,581,013
  6. Step 6: Final answer
    x = 14,396,747.86

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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.