Home / 12,698,081.26-17,520,350.22-7,471,317.56

Finding the Fourth Proportional to 12,698,081.26, 17,520,350.22 and 7,471,317.56

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Solution

The fourth proportional to 12,698,081.26, 17,520,350.22 and 7,471,317.56 is: 10,308,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698,081.26 : 17,520,350.22 = 7,471,317.56 : x
  2. Step 2: Convert to fraction form
    12,698,081.26/17,520,350.22 = 7,471,317.56/x
  3. Step 3: Cross multiply
    12,698,081.26x = 17,520,350.22 × 7,471,317.56
  4. Step 4: Simplify right side
    12,698,081.26x = 130,900,100,256,035.84
  5. Step 5: Solve for x
    x = 130,900,100,256,035.84/12,698,081.26
  6. Step 6: Final answer
    x = 10,308,651.96

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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.