Home / 21,458,442.51-29,613,429.41-12,292,856.73

Finding the Fourth Proportional to 21,458,442.51, 29,613,429.41 and 12,292,856.73

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Solution

The fourth proportional to 21,458,442.51, 29,613,429.41 and 12,292,856.73 is: 16,964,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458,442.51 : 29,613,429.41 = 12,292,856.73 : x
  2. Step 2: Convert to fraction form
    21,458,442.51/29,613,429.41 = 12,292,856.73/x
  3. Step 3: Cross multiply
    21,458,442.51x = 29,613,429.41 × 12,292,856.73
  4. Step 4: Simplify right side
    21,458,442.51x = 364,033,644,959,634.19
  5. Step 5: Solve for x
    x = 364,033,644,959,634.19/21,458,442.51
  6. Step 6: Final answer
    x = 16,964,588.40

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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.