Home / 15,914,244-21,961,656.72-8,670,900

Finding the Fourth Proportional to 15,914,244, 21,961,656.72 and 8,670,900

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Solution

The fourth proportional to 15,914,244, 21,961,656.72 and 8,670,900 is: 11,965,842

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914,244 : 21,961,656.72 = 8,670,900 : x
  2. Step 2: Convert to fraction form
    15,914,244/21,961,656.72 = 8,670,900/x
  3. Step 3: Cross multiply
    15,914,244x = 21,961,656.72 × 8,670,900
  4. Step 4: Simplify right side
    15,914,244x = 190,427,329,253,448
  5. Step 5: Solve for x
    x = 190,427,329,253,448/15,914,244
  6. Step 6: Final answer
    x = 11,965,842

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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.