Home / 14,156,761.64-21,131,792.73-12,147,914.66

Finding the Fourth Proportional to 14,156,761.64, 21,131,792.73 and 12,147,914.66

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Solution

The fourth proportional to 14,156,761.64, 21,131,792.73 and 12,147,914.66 is: 18,133,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156,761.64 : 21,131,792.73 = 12,147,914.66 : x
  2. Step 2: Convert to fraction form
    14,156,761.64/21,131,792.73 = 12,147,914.66/x
  3. Step 3: Cross multiply
    14,156,761.64x = 21,131,792.73 × 12,147,914.66
  4. Step 4: Simplify right side
    14,156,761.64x = 256,707,214,591,189.44
  5. Step 5: Solve for x
    x = 256,707,214,591,189.44/14,156,761.64
  6. Step 6: Final answer
    x = 18,133,187.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.