Home / 8,661,376.80-11,953,254.78-4,990,226.58

Finding the Fourth Proportional to 8,661,376.80, 11,953,254.78 and 4,990,226.58

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Solution

The fourth proportional to 8,661,376.80, 11,953,254.78 and 4,990,226.58 is: 6,886,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661,376.80 : 11,953,254.78 = 4,990,226.58 : x
  2. Step 2: Convert to fraction form
    8,661,376.80/11,953,254.78 = 4,990,226.58/x
  3. Step 3: Cross multiply
    8,661,376.80x = 11,953,254.78 × 4,990,226.58
  4. Step 4: Simplify right side
    8,661,376.80x = 59,649,449,720,668.05
  5. Step 5: Solve for x
    x = 59,649,449,720,668.05/8,661,376.80
  6. Step 6: Final answer
    x = 6,886,832.32

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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.