Home / 12,749,220.57-17,593,410.97-6,947,877.76

Finding the Fourth Proportional to 12,749,220.57, 17,593,410.97 and 6,947,877.76

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Solution

The fourth proportional to 12,749,220.57, 17,593,410.97 and 6,947,877.76 is: 9,587,791.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749,220.57 : 17,593,410.97 = 6,947,877.76 : x
  2. Step 2: Convert to fraction form
    12,749,220.57/17,593,410.97 = 6,947,877.76/x
  3. Step 3: Cross multiply
    12,749,220.57x = 17,593,410.97 × 6,947,877.76
  4. Step 4: Simplify right side
    12,749,220.57x = 122,236,868,801,003.02
  5. Step 5: Solve for x
    x = 122,236,868,801,003.02/12,749,220.57
  6. Step 6: Final answer
    x = 9,587,791.51

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1.5x scale

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.