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Finding the Fourth Proportional to 16,385,456.94, 22,611,978.51 and 8,943,187.50

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Solution

The fourth proportional to 16,385,456.94, 22,611,978.51 and 8,943,187.50 is: 12,341,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385,456.94 : 22,611,978.51 = 8,943,187.50 : x
  2. Step 2: Convert to fraction form
    16,385,456.94/22,611,978.51 = 8,943,187.50/x
  3. Step 3: Cross multiply
    16,385,456.94x = 22,611,978.51 × 8,943,187.50
  4. Step 4: Simplify right side
    16,385,456.94x = 202,223,163,560,900.62
  5. Step 5: Solve for x
    x = 202,223,163,560,900.62/16,385,456.94
  6. Step 6: Final answer
    x = 12,341,624.91

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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.