Home / 21,511,965.11-29,686,347.48-11,722,379.02

Finding the Fourth Proportional to 21,511,965.11, 29,686,347.48 and 11,722,379.02

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Solution

The fourth proportional to 21,511,965.11, 29,686,347.48 and 11,722,379.02 is: 16,176,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511,965.11 : 29,686,347.48 = 11,722,379.02 : x
  2. Step 2: Convert to fraction form
    21,511,965.11/29,686,347.48 = 11,722,379.02/x
  3. Step 3: Cross multiply
    21,511,965.11x = 29,686,347.48 × 11,722,379.02
  4. Step 4: Simplify right side
    21,511,965.11x = 347,994,616,849,724.94
  5. Step 5: Solve for x
    x = 347,994,616,849,724.94/21,511,965.11
  6. Step 6: Final answer
    x = 16,176,793.48

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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.