Home / 10,684,764.80-16,016,260.80-5,285,110.40

Finding the Fourth Proportional to 10,684,764.80, 16,016,260.80 and 5,285,110.40

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Solution

The fourth proportional to 10,684,764.80, 16,016,260.80 and 5,285,110.40 is: 7,922,280.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684,764.80 : 16,016,260.80 = 5,285,110.40 : x
  2. Step 2: Convert to fraction form
    10,684,764.80/16,016,260.80 = 5,285,110.40/x
  3. Step 3: Cross multiply
    10,684,764.80x = 16,016,260.80 × 5,285,110.40
  4. Step 4: Simplify right side
    10,684,764.80x = 84,647,706,523,192.33
  5. Step 5: Solve for x
    x = 84,647,706,523,192.33/10,684,764.80
  6. Step 6: Final answer
    x = 7,922,280.75

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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.