Home / 13,640,799.75-18,824,305.41-7,529,229.87

Finding the Fourth Proportional to 13,640,799.75, 18,824,305.41 and 7,529,229.87

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Solution

The fourth proportional to 13,640,799.75, 18,824,305.41 and 7,529,229.87 is: 10,390,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,640,799.75 : 18,824,305.41 = 7,529,229.87 : x
  2. Step 2: Convert to fraction form
    13,640,799.75/18,824,305.41 = 7,529,229.87/x
  3. Step 3: Cross multiply
    13,640,799.75x = 18,824,305.41 × 7,529,229.87
  4. Step 4: Simplify right side
    13,640,799.75x = 141,732,522,574,974.59
  5. Step 5: Solve for x
    x = 141,732,522,574,974.59/13,640,799.75
  6. Step 6: Final answer
    x = 10,390,338.19

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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.