Home / 6,928,000.70-10,392,001.05-3,942,016.70

Finding the Fourth Proportional to 6,928,000.70, 10,392,001.05 and 3,942,016.70

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Solution

The fourth proportional to 6,928,000.70, 10,392,001.05 and 3,942,016.70 is: 5,913,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928,000.70 : 10,392,001.05 = 3,942,016.70 : x
  2. Step 2: Convert to fraction form
    6,928,000.70/10,392,001.05 = 3,942,016.70/x
  3. Step 3: Cross multiply
    6,928,000.70x = 10,392,001.05 × 3,942,016.70
  4. Step 4: Simplify right side
    6,928,000.70x = 40,965,441,685,517.54
  5. Step 5: Solve for x
    x = 40,965,441,685,517.54/6,928,000.70
  6. Step 6: Final answer
    x = 5,913,025.05

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1.5x scale

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.