Home / 28,722,645.40-43,111,961.70-14,361,928.60

Finding the Fourth Proportional to 28,722,645.40, 43,111,961.70 and 14,361,928.60

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Solution

The fourth proportional to 28,722,645.40, 43,111,961.70 and 14,361,928.60 is: 21,556,890.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722,645.40 : 43,111,961.70 = 14,361,928.60 : x
  2. Step 2: Convert to fraction form
    28,722,645.40/43,111,961.70 = 14,361,928.60/x
  3. Step 3: Cross multiply
    28,722,645.40x = 43,111,961.70 × 14,361,928.60
  4. Step 4: Simplify right side
    28,722,645.40x = 619,170,915,741,334.62
  5. Step 5: Solve for x
    x = 619,170,915,741,334.62/28,722,645.40
  6. Step 6: Final answer
    x = 21,556,890.29

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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.