Home / 12,845,949.75-17,725,781.34-7,043,204.52

Finding the Fourth Proportional to 12,845,949.75, 17,725,781.34 and 7,043,204.52

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Solution

The fourth proportional to 12,845,949.75, 17,725,781.34 and 7,043,204.52 is: 9,718,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845,949.75 : 17,725,781.34 = 7,043,204.52 : x
  2. Step 2: Convert to fraction form
    12,845,949.75/17,725,781.34 = 7,043,204.52/x
  3. Step 3: Cross multiply
    12,845,949.75x = 17,725,781.34 × 7,043,204.52
  4. Step 4: Simplify right side
    12,845,949.75x = 124,846,303,254,419.64
  5. Step 5: Solve for x
    x = 124,846,303,254,419.64/12,845,949.75
  6. Step 6: Final answer
    x = 9,718,728.91

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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.