Home / 8,288,643.72-11,438,299.58-4,617,343.22

Finding the Fourth Proportional to 8,288,643.72, 11,438,299.58 and 4,617,343.22

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Solution

The fourth proportional to 8,288,643.72, 11,438,299.58 and 4,617,343.22 is: 6,371,917.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288,643.72 : 11,438,299.58 = 4,617,343.22 : x
  2. Step 2: Convert to fraction form
    8,288,643.72/11,438,299.58 = 4,617,343.22/x
  3. Step 3: Cross multiply
    8,288,643.72x = 11,438,299.58 × 4,617,343.22
  4. Step 4: Simplify right side
    8,288,643.72x = 52,814,554,933,763.62
  5. Step 5: Solve for x
    x = 52,814,554,933,763.62/8,288,643.72
  6. Step 6: Final answer
    x = 6,371,917.62

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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.