Home / 6,928,004.20-10,392,006.30-3,942,020.20

Finding the Fourth Proportional to 6,928,004.20, 10,392,006.30 and 3,942,020.20

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Solution

The fourth proportional to 6,928,004.20, 10,392,006.30 and 3,942,020.20 is: 5,913,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928,004.20 : 10,392,006.30 = 3,942,020.20 : x
  2. Step 2: Convert to fraction form
    6,928,004.20/10,392,006.30 = 3,942,020.20/x
  3. Step 3: Cross multiply
    6,928,004.20x = 10,392,006.30 × 3,942,020.20
  4. Step 4: Simplify right side
    6,928,004.20x = 40,965,498,753,127.27
  5. Step 5: Solve for x
    x = 40,965,498,753,127.27/6,928,004.20
  6. Step 6: Final answer
    x = 5,913,030.30

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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.