Home / 21,061,215.74-29,063,920.19-11,768,862.17

Finding the Fourth Proportional to 21,061,215.74, 29,063,920.19 and 11,768,862.17

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Solution

The fourth proportional to 21,061,215.74, 29,063,920.19 and 11,768,862.17 is: 16,240,718.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061,215.74 : 29,063,920.19 = 11,768,862.17 : x
  2. Step 2: Convert to fraction form
    21,061,215.74/29,063,920.19 = 11,768,862.17/x
  3. Step 3: Cross multiply
    21,061,215.74x = 29,063,920.19 × 11,768,862.17
  4. Step 4: Simplify right side
    21,061,215.74x = 342,049,270,835,990.25
  5. Step 5: Solve for x
    x = 342,049,270,835,990.25/21,061,215.74
  6. Step 6: Final answer
    x = 16,240,718.25

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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.