Home / 25,440,077.87-38,141,512.54-8,158,441.64

Finding the Fourth Proportional to 25,440,077.87, 38,141,512.54 and 8,158,441.64

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Solution

The fourth proportional to 25,440,077.87, 38,141,512.54 and 8,158,441.64 is: 12,231,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440,077.87 : 38,141,512.54 = 8,158,441.64 : x
  2. Step 2: Convert to fraction form
    25,440,077.87/38,141,512.54 = 8,158,441.64/x
  3. Step 3: Cross multiply
    25,440,077.87x = 38,141,512.54 × 8,158,441.64
  4. Step 4: Simplify right side
    25,440,077.87x = 311,175,303,907,814.50
  5. Step 5: Solve for x
    x = 311,175,303,907,814.50/25,440,077.87
  6. Step 6: Final answer
    x = 12,231,696.20

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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.