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Finding the Fourth Proportional to 18,770,652.76, 25,903,500.80 and 10,185,948.76

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Solution

The fourth proportional to 18,770,652.76, 25,903,500.80 and 10,185,948.76 is: 14,056,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770,652.76 : 25,903,500.80 = 10,185,948.76 : x
  2. Step 2: Convert to fraction form
    18,770,652.76/25,903,500.80 = 10,185,948.76/x
  3. Step 3: Cross multiply
    18,770,652.76x = 25,903,500.80 × 10,185,948.76
  4. Step 4: Simplify right side
    18,770,652.76x = 263,851,731,853,419
  5. Step 5: Solve for x
    x = 263,851,731,853,419/18,770,652.76
  6. Step 6: Final answer
    x = 14,056,609.28

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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.