Home / 20,317,108.44-28,036,153.98-11,615,647.80

Finding the Fourth Proportional to 20,317,108.44, 28,036,153.98 and 11,615,647.80

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Solution

The fourth proportional to 20,317,108.44, 28,036,153.98 and 11,615,647.80 is: 16,028,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,108.44 : 28,036,153.98 = 11,615,647.80 : x
  2. Step 2: Convert to fraction form
    20,317,108.44/28,036,153.98 = 11,615,647.80/x
  3. Step 3: Cross multiply
    20,317,108.44x = 28,036,153.98 × 11,615,647.80
  4. Step 4: Simplify right side
    20,317,108.44x = 325,658,090,298,248.25
  5. Step 5: Solve for x
    x = 325,658,090,298,248.25/20,317,108.44
  6. Step 6: Final answer
    x = 16,028,761.73

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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.