Home / 10,489,785.50-15,735,569.45-2,916,751.25

Finding the Fourth Proportional to 10,489,785.50, 15,735,569.45 and 2,916,751.25

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Solution

The fourth proportional to 10,489,785.50, 15,735,569.45 and 2,916,751.25 is: 4,375,374.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489,785.50 : 15,735,569.45 = 2,916,751.25 : x
  2. Step 2: Convert to fraction form
    10,489,785.50/15,735,569.45 = 2,916,751.25/x
  3. Step 3: Cross multiply
    10,489,785.50x = 15,735,569.45 × 2,916,751.25
  4. Step 4: Simplify right side
    10,489,785.50x = 45,896,741,862,749.31
  5. Step 5: Solve for x
    x = 45,896,741,862,749.31/10,489,785.50
  6. Step 6: Final answer
    x = 4,375,374.68

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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.