Home / 29,319,099.72-43,990,847.24-12,915,989.16

Finding the Fourth Proportional to 29,319,099.72, 43,990,847.24 and 12,915,989.16

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Solution

The fourth proportional to 29,319,099.72, 43,990,847.24 and 12,915,989.16 is: 19,379,357.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,319,099.72 : 43,990,847.24 = 12,915,989.16 : x
  2. Step 2: Convert to fraction form
    29,319,099.72/43,990,847.24 = 12,915,989.16/x
  3. Step 3: Cross multiply
    29,319,099.72x = 43,990,847.24 × 12,915,989.16
  4. Step 4: Simplify right side
    29,319,099.72x = 568,185,306,091,056
  5. Step 5: Solve for x
    x = 568,185,306,091,056/29,319,099.72
  6. Step 6: Final answer
    x = 19,379,357.19

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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.