Home / 18,508,982.20-27,751,031.70-9,874,511.80

Finding the Fourth Proportional to 18,508,982.20, 27,751,031.70 and 9,874,511.80

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Solution

The fourth proportional to 18,508,982.20, 27,751,031.70 and 9,874,511.80 is: 14,805,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508,982.20 : 27,751,031.70 = 9,874,511.80 : x
  2. Step 2: Convert to fraction form
    18,508,982.20/27,751,031.70 = 9,874,511.80/x
  3. Step 3: Cross multiply
    18,508,982.20x = 27,751,031.70 × 9,874,511.80
  4. Step 4: Simplify right side
    18,508,982.20x = 274,027,889,983,824.06
  5. Step 5: Solve for x
    x = 274,027,889,983,824.06/18,508,982.20
  6. Step 6: Final answer
    x = 14,805,130.13

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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.