Home / 21,458,426.75-29,613,407.63-12,292,840.97

Finding the Fourth Proportional to 21,458,426.75, 29,613,407.63 and 12,292,840.97

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Solution

The fourth proportional to 21,458,426.75, 29,613,407.63 and 12,292,840.97 is: 16,964,566.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458,426.75 : 29,613,407.63 = 12,292,840.97 : x
  2. Step 2: Convert to fraction form
    21,458,426.75/29,613,407.63 = 12,292,840.97/x
  3. Step 3: Cross multiply
    21,458,426.75x = 29,613,407.63 × 12,292,840.97
  4. Step 4: Simplify right side
    21,458,426.75x = 364,032,910,476,893.62
  5. Step 5: Solve for x
    x = 364,032,910,476,893.62/21,458,426.75
  6. Step 6: Final answer
    x = 16,964,566.64

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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.