Home / 7,846,280.20-11,769,420.30-6,870,003.40

Finding the Fourth Proportional to 7,846,280.20, 11,769,420.30 and 6,870,003.40

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Solution

The fourth proportional to 7,846,280.20, 11,769,420.30 and 6,870,003.40 is: 10,305,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846,280.20 : 11,769,420.30 = 6,870,003.40 : x
  2. Step 2: Convert to fraction form
    7,846,280.20/11,769,420.30 = 6,870,003.40/x
  3. Step 3: Cross multiply
    7,846,280.20x = 11,769,420.30 × 6,870,003.40
  4. Step 4: Simplify right side
    7,846,280.20x = 80,855,957,477,029.03
  5. Step 5: Solve for x
    x = 80,855,957,477,029.03/7,846,280.20
  6. Step 6: Final answer
    x = 10,305,005.10

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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.