Home / 19,305,657.20-28,956,412.20-5,122,233.20

Finding the Fourth Proportional to 19,305,657.20, 28,956,412.20 and 5,122,233.20

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Solution

The fourth proportional to 19,305,657.20, 28,956,412.20 and 5,122,233.20 is: 7,682,799.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305,657.20 : 28,956,412.20 = 5,122,233.20 : x
  2. Step 2: Convert to fraction form
    19,305,657.20/28,956,412.20 = 5,122,233.20/x
  3. Step 3: Cross multiply
    19,305,657.20x = 28,956,412.20 × 5,122,233.20
  4. Step 4: Simplify right side
    19,305,657.20x = 148,321,495,923,725.03
  5. Step 5: Solve for x
    x = 148,321,495,923,725.03/19,305,657.20
  6. Step 6: Final answer
    x = 7,682,799.63

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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.