Home / 21,458,406.22-29,613,379.32-12,292,820.44

Finding the Fourth Proportional to 21,458,406.22, 29,613,379.32 and 12,292,820.44

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Solution

The fourth proportional to 21,458,406.22, 29,613,379.32 and 12,292,820.44 is: 16,964,538.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458,406.22 : 29,613,379.32 = 12,292,820.44 : x
  2. Step 2: Convert to fraction form
    21,458,406.22/29,613,379.32 = 12,292,820.44/x
  3. Step 3: Cross multiply
    21,458,406.22x = 29,613,379.32 × 12,292,820.44
  4. Step 4: Simplify right side
    21,458,406.22x = 364,031,954,392,838.31
  5. Step 5: Solve for x
    x = 364,031,954,392,838.31/21,458,406.22
  6. Step 6: Final answer
    x = 16,964,538.31

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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.