Home / 10,489,786-15,735,570.21-2,916,751.75

Finding the Fourth Proportional to 10,489,786, 15,735,570.21 and 2,916,751.75

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Solution

The fourth proportional to 10,489,786, 15,735,570.21 and 2,916,751.75 is: 4,375,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489,786 : 15,735,570.21 = 2,916,751.75 : x
  2. Step 2: Convert to fraction form
    10,489,786/15,735,570.21 = 2,916,751.75/x
  3. Step 3: Cross multiply
    10,489,786x = 15,735,570.21 × 2,916,751.75
  4. Step 4: Simplify right side
    10,489,786x = 45,896,751,947,265.37
  5. Step 5: Solve for x
    x = 45,896,751,947,265.37/10,489,786
  6. Step 6: Final answer
    x = 4,375,375.43

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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.