Home / 7,048,711.28-9,726,893.16-3,992,950.64

Finding the Fourth Proportional to 7,048,711.28, 9,726,893.16 and 3,992,950.64

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Solution

The fourth proportional to 7,048,711.28, 9,726,893.16 and 3,992,950.64 is: 5,510,085.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048,711.28 : 9,726,893.16 = 3,992,950.64 : x
  2. Step 2: Convert to fraction form
    7,048,711.28/9,726,893.16 = 3,992,950.64/x
  3. Step 3: Cross multiply
    7,048,711.28x = 9,726,893.16 × 3,992,950.64
  4. Step 4: Simplify right side
    7,048,711.28x = 38,839,004,268,433.62
  5. Step 5: Solve for x
    x = 38,839,004,268,433.62/7,048,711.28
  6. Step 6: Final answer
    x = 5,510,085.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.