Home / 20,464,557.76-28,240,349.28-11,297,003.84

Finding the Fourth Proportional to 20,464,557.76, 28,240,349.28 and 11,297,003.84

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Solution

The fourth proportional to 20,464,557.76, 28,240,349.28 and 11,297,003.84 is: 15,589,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464,557.76 : 28,240,349.28 = 11,297,003.84 : x
  2. Step 2: Convert to fraction form
    20,464,557.76/28,240,349.28 = 11,297,003.84/x
  3. Step 3: Cross multiply
    20,464,557.76x = 28,240,349.28 × 11,297,003.84
  4. Step 4: Simplify right side
    20,464,557.76x = 319,031,334,259,101.25
  5. Step 5: Solve for x
    x = 319,031,334,259,101.25/20,464,557.76
  6. Step 6: Final answer
    x = 15,589,456.56

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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.