Home / 17,910,914.29-26,866,223.80-5,131,431.30

Finding the Fourth Proportional to 17,910,914.29, 26,866,223.80 and 5,131,431.30

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Solution

The fourth proportional to 17,910,914.29, 26,866,223.80 and 5,131,431.30 is: 7,697,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910,914.29 : 26,866,223.80 = 5,131,431.30 : x
  2. Step 2: Convert to fraction form
    17,910,914.29/26,866,223.80 = 5,131,431.30/x
  3. Step 3: Cross multiply
    17,910,914.29x = 26,866,223.80 × 5,131,431.30
  4. Step 4: Simplify right side
    17,910,914.29x = 137,862,181,595,795.64
  5. Step 5: Solve for x
    x = 137,862,181,595,795.64/17,910,914.29
  6. Step 6: Final answer
    x = 7,697,104.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.