Home / 13,899,137.71-20,849,145.32-4,801,753.52

Finding the Fourth Proportional to 13,899,137.71, 20,849,145.32 and 4,801,753.52

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Solution

The fourth proportional to 13,899,137.71, 20,849,145.32 and 4,801,753.52 is: 7,202,781.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,137.71 : 20,849,145.32 = 4,801,753.52 : x
  2. Step 2: Convert to fraction form
    13,899,137.71/20,849,145.32 = 4,801,753.52/x
  3. Step 3: Cross multiply
    13,899,137.71x = 20,849,145.32 × 4,801,753.52
  4. Step 4: Simplify right side
    13,899,137.71x = 100,112,456,993,428.78
  5. Step 5: Solve for x
    x = 100,112,456,993,428.78/13,899,137.71
  6. Step 6: Final answer
    x = 7,202,781.86

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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.