Home / 28,082,786.70-42,124,180.05-23,778,114.60

Finding the Fourth Proportional to 28,082,786.70, 42,124,180.05 and 23,778,114.60

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Solution

The fourth proportional to 28,082,786.70, 42,124,180.05 and 23,778,114.60 is: 35,667,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,786.70 : 42,124,180.05 = 23,778,114.60 : x
  2. Step 2: Convert to fraction form
    28,082,786.70/42,124,180.05 = 23,778,114.60/x
  3. Step 3: Cross multiply
    28,082,786.70x = 42,124,180.05 × 23,778,114.60
  4. Step 4: Simplify right side
    28,082,786.70x = 1,001,633,580,659,933.75
  5. Step 5: Solve for x
    x = 1,001,633,580,659,933.75/28,082,786.70
  6. Step 6: Final answer
    x = 35,667,171.90

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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.