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Finding the Fourth Proportional to 10,863,970.56, 16,295,961.65 and 4,039,656.98

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Solution

The fourth proportional to 10,863,970.56, 16,295,961.65 and 4,039,656.98 is: 6,059,487.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,970.56 : 16,295,961.65 = 4,039,656.98 : x
  2. Step 2: Convert to fraction form
    10,863,970.56/16,295,961.65 = 4,039,656.98/x
  3. Step 3: Cross multiply
    10,863,970.56x = 16,295,961.65 × 4,039,656.98
  4. Step 4: Simplify right side
    10,863,970.56x = 65,830,095,123,556.73
  5. Step 5: Solve for x
    x = 65,830,095,123,556.73/10,863,970.56
  6. Step 6: Final answer
    x = 6,059,487.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.