Home / 21,914,286.63-30,234,371.74-12,621,670.62

Finding the Fourth Proportional to 21,914,286.63, 30,234,371.74 and 12,621,670.62

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Solution

The fourth proportional to 21,914,286.63, 30,234,371.74 and 12,621,670.62 is: 17,413,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,914,286.63 : 30,234,371.74 = 12,621,670.62 : x
  2. Step 2: Convert to fraction form
    21,914,286.63/30,234,371.74 = 12,621,670.62/x
  3. Step 3: Cross multiply
    21,914,286.63x = 30,234,371.74 × 12,621,670.62
  4. Step 4: Simplify right side
    21,914,286.63x = 381,608,281,473,362.06
  5. Step 5: Solve for x
    x = 381,608,281,473,362.06/21,914,286.63
  6. Step 6: Final answer
    x = 17,413,675.74

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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.