Home / 20,795,022.32-31,195,522.40-6,419,320.92

Finding the Fourth Proportional to 20,795,022.32, 31,195,522.40 and 6,419,320.92

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Solution

The fourth proportional to 20,795,022.32, 31,195,522.40 and 6,419,320.92 is: 9,629,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795,022.32 : 31,195,522.40 = 6,419,320.92 : x
  2. Step 2: Convert to fraction form
    20,795,022.32/31,195,522.40 = 6,419,320.92/x
  3. Step 3: Cross multiply
    20,795,022.32x = 31,195,522.40 × 6,419,320.92
  4. Step 4: Simplify right side
    20,795,022.32x = 200,254,069,520,552
  5. Step 5: Solve for x
    x = 200,254,069,520,552/20,795,022.32
  6. Step 6: Final answer
    x = 9,629,904.05

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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.