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Finding the Fourth Proportional to 16,611,390.80, 24,921,751.80 and 8,092,005.20

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Solution

The fourth proportional to 16,611,390.80, 24,921,751.80 and 8,092,005.20 is: 12,140,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,611,390.80 : 24,921,751.80 = 8,092,005.20 : x
  2. Step 2: Convert to fraction form
    16,611,390.80/24,921,751.80 = 8,092,005.20/x
  3. Step 3: Cross multiply
    16,611,390.80x = 24,921,751.80 × 8,092,005.20
  4. Step 4: Simplify right side
    16,611,390.80x = 201,666,945,158,709.38
  5. Step 5: Solve for x
    x = 201,666,945,158,709.38/16,611,390.80
  6. Step 6: Final answer
    x = 12,140,280.58

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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.