Home / 25,291,769.44-34,903,487.78-15,500,321.58

Finding the Fourth Proportional to 25,291,769.44, 34,903,487.78 and 15,500,321.58

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Solution

The fourth proportional to 25,291,769.44, 34,903,487.78 and 15,500,321.58 is: 21,390,962.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,291,769.44 : 34,903,487.78 = 15,500,321.58 : x
  2. Step 2: Convert to fraction form
    25,291,769.44/34,903,487.78 = 15,500,321.58/x
  3. Step 3: Cross multiply
    25,291,769.44x = 34,903,487.78 × 15,500,321.58
  4. Step 4: Simplify right side
    25,291,769.44x = 541,015,284,853,600.31
  5. Step 5: Solve for x
    x = 541,015,284,853,600.31/25,291,769.44
  6. Step 6: Final answer
    x = 21,390,962.23

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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.