Home / 12,105,866.16-16,705,491.42-6,878,183.76

Finding the Fourth Proportional to 12,105,866.16, 16,705,491.42 and 6,878,183.76

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Solution

The fourth proportional to 12,105,866.16, 16,705,491.42 and 6,878,183.76 is: 9,491,550.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,105,866.16 : 16,705,491.42 = 6,878,183.76 : x
  2. Step 2: Convert to fraction form
    12,105,866.16/16,705,491.42 = 6,878,183.76/x
  3. Step 3: Cross multiply
    12,105,866.16x = 16,705,491.42 × 6,878,183.76
  4. Step 4: Simplify right side
    12,105,866.16x = 114,903,439,787,863.33
  5. Step 5: Solve for x
    x = 114,903,439,787,863.33/12,105,866.16
  6. Step 6: Final answer
    x = 9,491,550.48

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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.