Home / 7,328,628.30-10,992,942.45-5,509,919.10

Finding the Fourth Proportional to 7,328,628.30, 10,992,942.45 and 5,509,919.10

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Solution

The fourth proportional to 7,328,628.30, 10,992,942.45 and 5,509,919.10 is: 8,264,878.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,628.30 : 10,992,942.45 = 5,509,919.10 : x
  2. Step 2: Convert to fraction form
    7,328,628.30/10,992,942.45 = 5,509,919.10/x
  3. Step 3: Cross multiply
    7,328,628.30x = 10,992,942.45 × 5,509,919.10
  4. Step 4: Simplify right side
    7,328,628.30x = 60,570,223,570,455.79
  5. Step 5: Solve for x
    x = 60,570,223,570,455.79/7,328,628.30
  6. Step 6: Final answer
    x = 8,264,878.65

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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.