Home / 20,025,772.35-27,636,109.25-11,325,246.05

Finding the Fourth Proportional to 20,025,772.35, 27,636,109.25 and 11,325,246.05

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Solution

The fourth proportional to 20,025,772.35, 27,636,109.25 and 11,325,246.05 is: 15,629,146.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025,772.35 : 27,636,109.25 = 11,325,246.05 : x
  2. Step 2: Convert to fraction form
    20,025,772.35/27,636,109.25 = 11,325,246.05/x
  3. Step 3: Cross multiply
    20,025,772.35x = 27,636,109.25 × 11,325,246.05
  4. Step 4: Simplify right side
    20,025,772.35x = 312,985,737,120,931
  5. Step 5: Solve for x
    x = 312,985,737,120,931/20,025,772.35
  6. Step 6: Final answer
    x = 15,629,146.86

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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.