Home / 21,692,943.36-29,935,261.44-11,903,149.44

Finding the Fourth Proportional to 21,692,943.36, 29,935,261.44 and 11,903,149.44

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Solution

The fourth proportional to 21,692,943.36, 29,935,261.44 and 11,903,149.44 is: 16,425,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692,943.36 : 29,935,261.44 = 11,903,149.44 : x
  2. Step 2: Convert to fraction form
    21,692,943.36/29,935,261.44 = 11,903,149.44/x
  3. Step 3: Cross multiply
    21,692,943.36x = 29,935,261.44 × 11,903,149.44
  4. Step 4: Simplify right side
    21,692,943.36x = 356,323,890,445,789.62
  5. Step 5: Solve for x
    x = 356,323,890,445,789.62/21,692,943.36
  6. Step 6: Final answer
    x = 16,425,797.30

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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.