Home / 28,608,086.40-42,912,129.60-23,821,180.80

Finding the Fourth Proportional to 28,608,086.40, 42,912,129.60 and 23,821,180.80

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Solution

The fourth proportional to 28,608,086.40, 42,912,129.60 and 23,821,180.80 is: 35,731,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,086.40 : 42,912,129.60 = 23,821,180.80 : x
  2. Step 2: Convert to fraction form
    28,608,086.40/42,912,129.60 = 23,821,180.80/x
  3. Step 3: Cross multiply
    28,608,086.40x = 42,912,129.60 × 23,821,180.80
  4. Step 4: Simplify right side
    28,608,086.40x = 1,022,217,597,714,631.75
  5. Step 5: Solve for x
    x = 1,022,217,597,714,631.75/28,608,086.40
  6. Step 6: Final answer
    x = 35,731,771.20

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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.