Home / 8,499,879.14-11,728,846.42-5,190,510.74

Finding the Fourth Proportional to 8,499,879.14, 11,728,846.42 and 5,190,510.74

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Solution

The fourth proportional to 8,499,879.14, 11,728,846.42 and 5,190,510.74 is: 7,162,302.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499,879.14 : 11,728,846.42 = 5,190,510.74 : x
  2. Step 2: Convert to fraction form
    8,499,879.14/11,728,846.42 = 5,190,510.74/x
  3. Step 3: Cross multiply
    8,499,879.14x = 11,728,846.42 × 5,190,510.74
  4. Step 4: Simplify right side
    8,499,879.14x = 60,878,703,310,820.55
  5. Step 5: Solve for x
    x = 60,878,703,310,820.55/8,499,879.14
  6. Step 6: Final answer
    x = 7,162,302.23

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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.