Home / 20,760,317.70-28,648,683.36-11,467,687.77

Finding the Fourth Proportional to 20,760,317.70, 28,648,683.36 and 11,467,687.77

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Solution

The fourth proportional to 20,760,317.70, 28,648,683.36 and 11,467,687.77 is: 15,825,102.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,760,317.70 : 28,648,683.36 = 11,467,687.77 : x
  2. Step 2: Convert to fraction form
    20,760,317.70/28,648,683.36 = 11,467,687.77/x
  3. Step 3: Cross multiply
    20,760,317.70x = 28,648,683.36 × 11,467,687.77
  4. Step 4: Simplify right side
    20,760,317.70x = 328,534,155,794,074.50
  5. Step 5: Solve for x
    x = 328,534,155,794,074.50/20,760,317.70
  6. Step 6: Final answer
    x = 15,825,102.51

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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.