Home / 28,855,380.56-43,289,706.36-8,661,004.88

Finding the Fourth Proportional to 28,855,380.56, 43,289,706.36 and 8,661,004.88

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Solution

The fourth proportional to 28,855,380.56, 43,289,706.36 and 8,661,004.88 is: 12,993,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855,380.56 : 43,289,706.36 = 8,661,004.88 : x
  2. Step 2: Convert to fraction form
    28,855,380.56/43,289,706.36 = 8,661,004.88/x
  3. Step 3: Cross multiply
    28,855,380.56x = 43,289,706.36 × 8,661,004.88
  4. Step 4: Simplify right side
    28,855,380.56x = 374,932,358,037,727.06
  5. Step 5: Solve for x
    x = 374,932,358,037,727.06/28,855,380.56
  6. Step 6: Final answer
    x = 12,993,498.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.