Home / 12,845,952.25-17,725,784.79-7,043,207.02

Finding the Fourth Proportional to 12,845,952.25, 17,725,784.79 and 7,043,207.02

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Solution

The fourth proportional to 12,845,952.25, 17,725,784.79 and 7,043,207.02 is: 9,718,732.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845,952.25 : 17,725,784.79 = 7,043,207.02 : x
  2. Step 2: Convert to fraction form
    12,845,952.25/17,725,784.79 = 7,043,207.02/x
  3. Step 3: Cross multiply
    12,845,952.25x = 17,725,784.79 × 7,043,207.02
  4. Step 4: Simplify right side
    12,845,952.25x = 124,846,371,867,937.22
  5. Step 5: Solve for x
    x = 124,846,371,867,937.22/12,845,952.25
  6. Step 6: Final answer
    x = 9,718,732.36

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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.