Home / 21,090,764.54-29,104,084.35-11,796,539.30

Finding the Fourth Proportional to 21,090,764.54, 29,104,084.35 and 11,796,539.30

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Solution

The fourth proportional to 21,090,764.54, 29,104,084.35 and 11,796,539.30 is: 16,278,569.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,090,764.54 : 29,104,084.35 = 11,796,539.30 : x
  2. Step 2: Convert to fraction form
    21,090,764.54/29,104,084.35 = 11,796,539.30/x
  3. Step 3: Cross multiply
    21,090,764.54x = 29,104,084.35 × 11,796,539.30
  4. Step 4: Simplify right side
    21,090,764.54x = 343,327,474,825,290
  5. Step 5: Solve for x
    x = 343,327,474,825,290/21,090,764.54
  6. Step 6: Final answer
    x = 16,278,569.43

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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.