Home / 21,290,910-29,381,455.80-11,633,118

Finding the Fourth Proportional to 21,290,910, 29,381,455.80 and 11,633,118

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Solution

The fourth proportional to 21,290,910, 29,381,455.80 and 11,633,118 is: 16,053,702.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,290,910 : 29,381,455.80 = 11,633,118 : x
  2. Step 2: Convert to fraction form
    21,290,910/29,381,455.80 = 11,633,118/x
  3. Step 3: Cross multiply
    21,290,910x = 29,381,455.80 × 11,633,118
  4. Step 4: Simplify right side
    21,290,910x = 341,797,942,333,184.44
  5. Step 5: Solve for x
    x = 341,797,942,333,184.44/21,290,910
  6. Step 6: Final answer
    x = 16,053,702.84

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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.