Home / 8,229,421-11,353,976.58-5,331,033.64

Finding the Fourth Proportional to 8,229,421, 11,353,976.58 and 5,331,033.64

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Solution

The fourth proportional to 8,229,421, 11,353,976.58 and 5,331,033.64 is: 7,355,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229,421 : 11,353,976.58 = 5,331,033.64 : x
  2. Step 2: Convert to fraction form
    8,229,421/11,353,976.58 = 5,331,033.64/x
  3. Step 3: Cross multiply
    8,229,421x = 11,353,976.58 × 5,331,033.64
  4. Step 4: Simplify right side
    8,229,421x = 60,528,431,095,752.15
  5. Step 5: Solve for x
    x = 60,528,431,095,752.15/8,229,421
  6. Step 6: Final answer
    x = 7,355,126.33

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Double scale
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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.