Home / 11,328,876.32-16,993,331.16-8,648,420.96

Finding the Fourth Proportional to 11,328,876.32, 16,993,331.16 and 8,648,420.96

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Solution

The fourth proportional to 11,328,876.32, 16,993,331.16 and 8,648,420.96 is: 12,972,644.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328,876.32 : 16,993,331.16 = 8,648,420.96 : x
  2. Step 2: Convert to fraction form
    11,328,876.32/16,993,331.16 = 8,648,420.96/x
  3. Step 3: Cross multiply
    11,328,876.32x = 16,993,331.16 × 8,648,420.96
  4. Step 4: Simplify right side
    11,328,876.32x = 146,965,481,384,365.12
  5. Step 5: Solve for x
    x = 146,965,481,384,365.12/11,328,876.32
  6. Step 6: Final answer
    x = 12,972,644.17

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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.