Home / 15,526,755.28-21,427,005.36-8,910,816.22

Finding the Fourth Proportional to 15,526,755.28, 21,427,005.36 and 8,910,816.22

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Solution

The fourth proportional to 15,526,755.28, 21,427,005.36 and 8,910,816.22 is: 12,296,974.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526,755.28 : 21,427,005.36 = 8,910,816.22 : x
  2. Step 2: Convert to fraction form
    15,526,755.28/21,427,005.36 = 8,910,816.22/x
  3. Step 3: Cross multiply
    15,526,755.28x = 21,427,005.36 × 8,910,816.22
  4. Step 4: Simplify right side
    15,526,755.28x = 190,932,106,907,914.94
  5. Step 5: Solve for x
    x = 190,932,106,907,914.94/15,526,755.28
  6. Step 6: Final answer
    x = 12,296,974.06

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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.