Home / 25,907,775.60-38,836,780.20-20,147,314.80

Finding the Fourth Proportional to 25,907,775.60, 38,836,780.20 and 20,147,314.80

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Solution

The fourth proportional to 25,907,775.60, 38,836,780.20 and 20,147,314.80 is: 30,201,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,907,775.60 : 38,836,780.20 = 20,147,314.80 : x
  2. Step 2: Convert to fraction form
    25,907,775.60/38,836,780.20 = 20,147,314.80/x
  3. Step 3: Cross multiply
    25,907,775.60x = 38,836,780.20 × 20,147,314.80
  4. Step 4: Simplify right side
    25,907,775.60x = 782,456,836,507,807
  5. Step 5: Solve for x
    x = 782,456,836,507,807/25,907,775.60
  6. Step 6: Final answer
    x = 30,201,621.65

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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.