Home / 12,783,768.76-19,175,724.83-4,264,081.84

Finding the Fourth Proportional to 12,783,768.76, 19,175,724.83 and 4,264,081.84

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Solution

The fourth proportional to 12,783,768.76, 19,175,724.83 and 4,264,081.84 is: 6,396,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,768.76 : 19,175,724.83 = 4,264,081.84 : x
  2. Step 2: Convert to fraction form
    12,783,768.76/19,175,724.83 = 4,264,081.84/x
  3. Step 3: Cross multiply
    12,783,768.76x = 19,175,724.83 × 4,264,081.84
  4. Step 4: Simplify right side
    12,783,768.76x = 81,766,859,995,119.67
  5. Step 5: Solve for x
    x = 81,766,859,995,119.67/12,783,768.76
  6. Step 6: Final answer
    x = 6,396,146.67

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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.