Home / 15,841,031.29-21,856,876.39-8,965,513.15

Finding the Fourth Proportional to 15,841,031.29, 21,856,876.39 and 8,965,513.15

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Solution

The fourth proportional to 15,841,031.29, 21,856,876.39 and 8,965,513.15 is: 12,370,287.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841,031.29 : 21,856,876.39 = 8,965,513.15 : x
  2. Step 2: Convert to fraction form
    15,841,031.29/21,856,876.39 = 8,965,513.15/x
  3. Step 3: Cross multiply
    15,841,031.29x = 21,856,876.39 × 8,965,513.15
  4. Step 4: Simplify right side
    15,841,031.29x = 195,958,112,670,055.75
  5. Step 5: Solve for x
    x = 195,958,112,670,055.75/15,841,031.29
  6. Step 6: Final answer
    x = 12,370,287.58

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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.