Home / 8,215,433.51-11,336,425.47-4,543,766.69

Finding the Fourth Proportional to 8,215,433.51, 11,336,425.47 and 4,543,766.69

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Solution

The fourth proportional to 8,215,433.51, 11,336,425.47 and 4,543,766.69 is: 6,269,915.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,433.51 : 11,336,425.47 = 4,543,766.69 : x
  2. Step 2: Convert to fraction form
    8,215,433.51/11,336,425.47 = 4,543,766.69/x
  3. Step 3: Cross multiply
    8,215,433.51x = 11,336,425.47 × 4,543,766.69
  4. Step 4: Simplify right side
    8,215,433.51x = 51,510,072,377,571.47
  5. Step 5: Solve for x
    x = 51,510,072,377,571.47/8,215,433.51
  6. Step 6: Final answer
    x = 6,269,915.32

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1.5x scale

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.