Home / 12,348,045.08-18,522,067.61-11,655,203.48

Finding the Fourth Proportional to 12,348,045.08, 18,522,067.61 and 11,655,203.48

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Solution

The fourth proportional to 12,348,045.08, 18,522,067.61 and 11,655,203.48 is: 17,482,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348,045.08 : 18,522,067.61 = 11,655,203.48 : x
  2. Step 2: Convert to fraction form
    12,348,045.08/18,522,067.61 = 11,655,203.48/x
  3. Step 3: Cross multiply
    12,348,045.08x = 18,522,067.61 × 11,655,203.48
  4. Step 4: Simplify right side
    12,348,045.08x = 215,878,466,801,394.97
  5. Step 5: Solve for x
    x = 215,878,466,801,394.97/12,348,045.08
  6. Step 6: Final answer
    x = 17,482,805.21

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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.