Home / 10,972,564.90-16,468,178.55-4,916,616.10

Finding the Fourth Proportional to 10,972,564.90, 16,468,178.55 and 4,916,616.10

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Solution

The fourth proportional to 10,972,564.90, 16,468,178.55 and 4,916,616.10 is: 7,379,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972,564.90 : 16,468,178.55 = 4,916,616.10 : x
  2. Step 2: Convert to fraction form
    10,972,564.90/16,468,178.55 = 4,916,616.10/x
  3. Step 3: Cross multiply
    10,972,564.90x = 16,468,178.55 × 4,916,616.10
  4. Step 4: Simplify right side
    10,972,564.90x = 80,967,711,796,604.66
  5. Step 5: Solve for x
    x = 80,967,711,796,604.66/10,972,564.90
  6. Step 6: Final answer
    x = 7,379,105.30

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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.