Home / 15,914,232-21,961,640.16-8,670,888

Finding the Fourth Proportional to 15,914,232, 21,961,640.16 and 8,670,888

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Solution

The fourth proportional to 15,914,232, 21,961,640.16 and 8,670,888 is: 11,965,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914,232 : 21,961,640.16 = 8,670,888 : x
  2. Step 2: Convert to fraction form
    15,914,232/21,961,640.16 = 8,670,888/x
  3. Step 3: Cross multiply
    15,914,232x = 21,961,640.16 × 8,670,888
  4. Step 4: Simplify right side
    15,914,232x = 190,426,922,123,662.09
  5. Step 5: Solve for x
    x = 190,426,922,123,662.09/15,914,232
  6. Step 6: Final answer
    x = 11,965,825.44

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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.