Home / 21,314,760.72-31,976,085.32-6,745,347.15

Finding the Fourth Proportional to 21,314,760.72, 31,976,085.32 and 6,745,347.15

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Solution

The fourth proportional to 21,314,760.72, 31,976,085.32 and 6,745,347.15 is: 10,119,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,314,760.72 : 31,976,085.32 = 6,745,347.15 : x
  2. Step 2: Convert to fraction form
    21,314,760.72/31,976,085.32 = 6,745,347.15/x
  3. Step 3: Cross multiply
    21,314,760.72x = 31,976,085.32 × 6,745,347.15
  4. Step 4: Simplify right side
    21,314,760.72x = 215,689,795,981,418.84
  5. Step 5: Solve for x
    x = 215,689,795,981,418.84/21,314,760.72
  6. Step 6: Final answer
    x = 10,119,268.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.