Home / 12,206,965.52-16,845,629.10-6,625,212.12

Finding the Fourth Proportional to 12,206,965.52, 16,845,629.10 and 6,625,212.12

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Solution

The fourth proportional to 12,206,965.52, 16,845,629.10 and 6,625,212.12 is: 9,142,801.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206,965.52 : 16,845,629.10 = 6,625,212.12 : x
  2. Step 2: Convert to fraction form
    12,206,965.52/16,845,629.10 = 6,625,212.12/x
  3. Step 3: Cross multiply
    12,206,965.52x = 16,845,629.10 × 6,625,212.12
  4. Step 4: Simplify right side
    12,206,965.52x = 111,605,866,032,809.33
  5. Step 5: Solve for x
    x = 111,605,866,032,809.33/12,206,965.52
  6. Step 6: Final answer
    x = 9,142,801.77

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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.