Home / 21,458,618.41-29,613,672.40-12,293,032.63

Finding the Fourth Proportional to 21,458,618.41, 29,613,672.40 and 12,293,032.63

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Solution

The fourth proportional to 21,458,618.41, 29,613,672.40 and 12,293,032.63 is: 16,964,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458,618.41 : 29,613,672.40 = 12,293,032.63 : x
  2. Step 2: Convert to fraction form
    21,458,618.41/29,613,672.40 = 12,293,032.63/x
  3. Step 3: Cross multiply
    21,458,618.41x = 29,613,672.40 × 12,293,032.63
  4. Step 4: Simplify right side
    21,458,618.41x = 364,041,841,107,330.44
  5. Step 5: Solve for x
    x = 364,041,841,107,330.44/21,458,618.41
  6. Step 6: Final answer
    x = 16,964,831.29

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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.