Home / 17,166,983.20-23,711,395.21-12,835,279.78

Finding the Fourth Proportional to 17,166,983.20, 23,711,395.21 and 12,835,279.78

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Solution

The fourth proportional to 17,166,983.20, 23,711,395.21 and 12,835,279.78 is: 17,728,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,166,983.20 : 23,711,395.21 = 12,835,279.78 : x
  2. Step 2: Convert to fraction form
    17,166,983.20/23,711,395.21 = 12,835,279.78/x
  3. Step 3: Cross multiply
    17,166,983.20x = 23,711,395.21 × 12,835,279.78
  4. Step 4: Simplify right side
    17,166,983.20x = 304,342,391,403,135.19
  5. Step 5: Solve for x
    x = 304,342,391,403,135.19/17,166,983.20
  6. Step 6: Final answer
    x = 17,728,356.11

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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.