Home / 21,914,284.13-30,234,368.29-12,621,668.12

Finding the Fourth Proportional to 21,914,284.13, 30,234,368.29 and 12,621,668.12

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Solution

The fourth proportional to 21,914,284.13, 30,234,368.29 and 12,621,668.12 is: 17,413,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,914,284.13 : 30,234,368.29 = 12,621,668.12 : x
  2. Step 2: Convert to fraction form
    21,914,284.13/30,234,368.29 = 12,621,668.12/x
  3. Step 3: Cross multiply
    21,914,284.13x = 30,234,368.29 × 12,621,668.12
  4. Step 4: Simplify right side
    21,914,284.13x = 381,608,162,311,123.56
  5. Step 5: Solve for x
    x = 381,608,162,311,123.56/21,914,284.13
  6. Step 6: Final answer
    x = 17,413,672.29

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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.