Home / 21,613,848.41-29,823,854.93-12,322,225.82

Finding the Fourth Proportional to 21,613,848.41, 29,823,854.93 and 12,322,225.82

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Solution

The fourth proportional to 21,613,848.41, 29,823,854.93 and 12,322,225.82 is: 17,002,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613,848.41 : 29,823,854.93 = 12,322,225.82 : x
  2. Step 2: Convert to fraction form
    21,613,848.41/29,823,854.93 = 12,322,225.82/x
  3. Step 3: Cross multiply
    21,613,848.41x = 29,823,854.93 × 12,322,225.82
  4. Step 4: Simplify right side
    21,613,848.41x = 367,496,275,059,649.88
  5. Step 5: Solve for x
    x = 367,496,275,059,649.88/21,613,848.41
  6. Step 6: Final answer
    x = 17,002,815.43

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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.