Home / 10,684,769.80-16,016,268.30-5,285,115.40

Finding the Fourth Proportional to 10,684,769.80, 16,016,268.30 and 5,285,115.40

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Solution

The fourth proportional to 10,684,769.80, 16,016,268.30 and 5,285,115.40 is: 7,922,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684,769.80 : 16,016,268.30 = 5,285,115.40 : x
  2. Step 2: Convert to fraction form
    10,684,769.80/16,016,268.30 = 5,285,115.40/x
  3. Step 3: Cross multiply
    10,684,769.80x = 16,016,268.30 × 5,285,115.40
  4. Step 4: Simplify right side
    10,684,769.80x = 84,647,826,242,861.83
  5. Step 5: Solve for x
    x = 84,647,826,242,861.83/10,684,769.80
  6. Step 6: Final answer
    x = 7,922,288.25

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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.