Home / 21,558,540-29,750,837.04-11,900,748

Finding the Fourth Proportional to 21,558,540, 29,750,837.04 and 11,900,748

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Solution

The fourth proportional to 21,558,540, 29,750,837.04 and 11,900,748 is: 16,423,060.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558,540 : 29,750,837.04 = 11,900,748 : x
  2. Step 2: Convert to fraction form
    21,558,540/29,750,837.04 = 11,900,748/x
  3. Step 3: Cross multiply
    21,558,540x = 29,750,837.04 × 11,900,748
  4. Step 4: Simplify right side
    21,558,540x = 354,057,214,402,105.94
  5. Step 5: Solve for x
    x = 354,057,214,402,105.94/21,558,540
  6. Step 6: Final answer
    x = 16,423,060.86

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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.