Home / 39,110,879.64-53,975,536.20-21,707,225.76

Finding the Fourth Proportional to 39,110,879.64, 53,975,536.20 and 21,707,225.76

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Solution

The fourth proportional to 39,110,879.64, 53,975,536.20 and 21,707,225.76 is: 29,957,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,110,879.64 : 53,975,536.20 = 21,707,225.76 : x
  2. Step 2: Convert to fraction form
    39,110,879.64/53,975,536.20 = 21,707,225.76/x
  3. Step 3: Cross multiply
    39,110,879.64x = 53,975,536.20 × 21,707,225.76
  4. Step 4: Simplify right side
    39,110,879.64x = 1,171,659,149,810,452.75
  5. Step 5: Solve for x
    x = 1,171,659,149,810,452.75/39,110,879.64
  6. Step 6: Final answer
    x = 29,957,371.47

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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.