Home / 13,164,997.38-18,169,230.74-7,658,604.29

Finding the Fourth Proportional to 13,164,997.38, 18,169,230.74 and 7,658,604.29

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Solution

The fourth proportional to 13,164,997.38, 18,169,230.74 and 7,658,604.29 is: 10,569,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164,997.38 : 18,169,230.74 = 7,658,604.29 : x
  2. Step 2: Convert to fraction form
    13,164,997.38/18,169,230.74 = 7,658,604.29/x
  3. Step 3: Cross multiply
    13,164,997.38x = 18,169,230.74 × 7,658,604.29
  4. Step 4: Simplify right side
    13,164,997.38x = 139,150,948,362,224.70
  5. Step 5: Solve for x
    x = 139,150,948,362,224.70/13,164,997.38
  6. Step 6: Final answer
    x = 10,569,766.51

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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.