Home / 16,172,331.57-22,318,128.32-8,830,455.71

Finding the Fourth Proportional to 16,172,331.57, 22,318,128.32 and 8,830,455.71

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Solution

The fourth proportional to 16,172,331.57, 22,318,128.32 and 8,830,455.71 is: 12,186,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172,331.57 : 22,318,128.32 = 8,830,455.71 : x
  2. Step 2: Convert to fraction form
    16,172,331.57/22,318,128.32 = 8,830,455.71/x
  3. Step 3: Cross multiply
    16,172,331.57x = 22,318,128.32 × 8,830,455.71
  4. Step 4: Simplify right side
    16,172,331.57x = 197,079,243,504,113.81
  5. Step 5: Solve for x
    x = 197,079,243,504,113.81/16,172,331.57
  6. Step 6: Final answer
    x = 12,186,198.55

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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.