Home / 21,250,479.06-29,323,399.95-11,957,887.17

Finding the Fourth Proportional to 21,250,479.06, 29,323,399.95 and 11,957,887.17

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Solution

The fourth proportional to 21,250,479.06, 29,323,399.95 and 11,957,887.17 is: 16,500,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250,479.06 : 29,323,399.95 = 11,957,887.17 : x
  2. Step 2: Convert to fraction form
    21,250,479.06/29,323,399.95 = 11,957,887.17/x
  3. Step 3: Cross multiply
    21,250,479.06x = 29,323,399.95 × 11,957,887.17
  4. Step 4: Simplify right side
    21,250,479.06x = 350,645,908,042,883.62
  5. Step 5: Solve for x
    x = 350,645,908,042,883.62/21,250,479.06
  6. Step 6: Final answer
    x = 16,500,611.92

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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.