Home / 21,293,676.21-29,385,274.03-11,504,120.36

Finding the Fourth Proportional to 21,293,676.21, 29,385,274.03 and 11,504,120.36

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Solution

The fourth proportional to 21,293,676.21, 29,385,274.03 and 11,504,120.36 is: 15,875,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293,676.21 : 29,385,274.03 = 11,504,120.36 : x
  2. Step 2: Convert to fraction form
    21,293,676.21/29,385,274.03 = 11,504,120.36/x
  3. Step 3: Cross multiply
    21,293,676.21x = 29,385,274.03 × 11,504,120.36
  4. Step 4: Simplify right side
    21,293,676.21x = 338,051,729,252,702.25
  5. Step 5: Solve for x
    x = 338,051,729,252,702.25/21,293,676.21
  6. Step 6: Final answer
    x = 15,875,686.56

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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.