Home / 25,795,198.20-38,717,039.32-13,507,980.84

Finding the Fourth Proportional to 25,795,198.20, 38,717,039.32 and 13,507,980.84

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Solution

The fourth proportional to 25,795,198.20, 38,717,039.32 and 13,507,980.84 is: 20,274,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,795,198.20 : 38,717,039.32 = 13,507,980.84 : x
  2. Step 2: Convert to fraction form
    25,795,198.20/38,717,039.32 = 13,507,980.84/x
  3. Step 3: Cross multiply
    25,795,198.20x = 38,717,039.32 × 13,507,980.84
  4. Step 4: Simplify right side
    25,795,198.20x = 522,989,025,316,086.62
  5. Step 5: Solve for x
    x = 522,989,025,316,086.62/25,795,198.20
  6. Step 6: Final answer
    x = 20,274,665.90

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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.