Home / 7,621,705.32-10,517,680.84-4,313,928.56

Finding the Fourth Proportional to 7,621,705.32, 10,517,680.84 and 4,313,928.56

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Solution

The fourth proportional to 7,621,705.32, 10,517,680.84 and 4,313,928.56 is: 5,953,067.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621,705.32 : 10,517,680.84 = 4,313,928.56 : x
  2. Step 2: Convert to fraction form
    7,621,705.32/10,517,680.84 = 4,313,928.56/x
  3. Step 3: Cross multiply
    7,621,705.32x = 10,517,680.84 × 4,313,928.56
  4. Step 4: Simplify right side
    7,621,705.32x = 45,372,523,760,640.79
  5. Step 5: Solve for x
    x = 45,372,523,760,640.79/7,621,705.32
  6. Step 6: Final answer
    x = 5,953,067.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.