Home / 21,473,085-29,632,857.30-11,815,293

Finding the Fourth Proportional to 21,473,085, 29,632,857.30 and 11,815,293

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Solution

The fourth proportional to 21,473,085, 29,632,857.30 and 11,815,293 is: 16,305,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473,085 : 29,632,857.30 = 11,815,293 : x
  2. Step 2: Convert to fraction form
    21,473,085/29,632,857.30 = 11,815,293/x
  3. Step 3: Cross multiply
    21,473,085x = 29,632,857.30 × 11,815,293
  4. Step 4: Simplify right side
    21,473,085x = 350,120,891,426,688.94
  5. Step 5: Solve for x
    x = 350,120,891,426,688.94/21,473,085
  6. Step 6: Final answer
    x = 16,305,104.34

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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.