Home / 7,015,942.80-10,521,727.20-2,757,416.40

Finding the Fourth Proportional to 7,015,942.80, 10,521,727.20 and 2,757,416.40

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Solution

The fourth proportional to 7,015,942.80, 10,521,727.20 and 2,757,416.40 is: 4,135,265.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015,942.80 : 10,521,727.20 = 2,757,416.40 : x
  2. Step 2: Convert to fraction form
    7,015,942.80/10,521,727.20 = 2,757,416.40/x
  3. Step 3: Cross multiply
    7,015,942.80x = 10,521,727.20 × 2,757,416.40
  4. Step 4: Simplify right side
    7,015,942.80x = 29,012,783,137,606.08
  5. Step 5: Solve for x
    x = 29,012,783,137,606.08/7,015,942.80
  6. Step 6: Final answer
    x = 4,135,265.06

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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.