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Finding the Fourth Proportional to 16,239,454.72, 22,410,446.87 and 8,897,566.32

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Solution

The fourth proportional to 16,239,454.72, 22,410,446.87 and 8,897,566.32 is: 12,278,641.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239,454.72 : 22,410,446.87 = 8,897,566.32 : x
  2. Step 2: Convert to fraction form
    16,239,454.72/22,410,446.87 = 8,897,566.32/x
  3. Step 3: Cross multiply
    16,239,454.72x = 22,410,446.87 × 8,897,566.32
  4. Step 4: Simplify right side
    16,239,454.72x = 199,398,437,308,905.34
  5. Step 5: Solve for x
    x = 199,398,437,308,905.34/16,239,454.72
  6. Step 6: Final answer
    x = 12,278,641.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.