Home / 14,278,453.56-19,705,021.74-8,167,917.24

Finding the Fourth Proportional to 14,278,453.56, 19,705,021.74 and 8,167,917.24

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Solution

The fourth proportional to 14,278,453.56, 19,705,021.74 and 8,167,917.24 is: 11,272,158.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,453.56 : 19,705,021.74 = 8,167,917.24 : x
  2. Step 2: Convert to fraction form
    14,278,453.56/19,705,021.74 = 8,167,917.24/x
  3. Step 3: Cross multiply
    14,278,453.56x = 19,705,021.74 × 8,167,917.24
  4. Step 4: Simplify right side
    14,278,453.56x = 160,948,986,784,720.78
  5. Step 5: Solve for x
    x = 160,948,986,784,720.78/14,278,453.56
  6. Step 6: Final answer
    x = 11,272,158.16

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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.