Home / 8,229,420-11,353,975.20-5,331,032.64

Finding the Fourth Proportional to 8,229,420, 11,353,975.20 and 5,331,032.64

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Solution

The fourth proportional to 8,229,420, 11,353,975.20 and 5,331,032.64 is: 7,355,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229,420 : 11,353,975.20 = 5,331,032.64 : x
  2. Step 2: Convert to fraction form
    8,229,420/11,353,975.20 = 5,331,032.64/x
  3. Step 3: Cross multiply
    8,229,420x = 11,353,975.20 × 5,331,032.64
  4. Step 4: Simplify right side
    8,229,420x = 60,528,412,384,950.52
  5. Step 5: Solve for x
    x = 60,528,412,384,950.52/8,229,420
  6. Step 6: Final answer
    x = 7,355,124.95

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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.