Home / 21,613,194-29,826,443.21-11,823,427.98

Finding the Fourth Proportional to 21,613,194, 29,826,443.21 and 11,823,427.98

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Solution

The fourth proportional to 21,613,194, 29,826,443.21 and 11,823,427.98 is: 16,316,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613,194 : 29,826,443.21 = 11,823,427.98 : x
  2. Step 2: Convert to fraction form
    21,613,194/29,826,443.21 = 11,823,427.98/x
  3. Step 3: Cross multiply
    21,613,194x = 29,826,443.21 × 11,823,427.98
  4. Step 4: Simplify right side
    21,613,194x = 352,650,803,133,877.88
  5. Step 5: Solve for x
    x = 352,650,803,133,877.88/21,613,194
  6. Step 6: Final answer
    x = 16,316,459.43

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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.