Home / 18,534,830.40-27,802,245.60-15,322,564.80

Finding the Fourth Proportional to 18,534,830.40, 27,802,245.60 and 15,322,564.80

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Solution

The fourth proportional to 18,534,830.40, 27,802,245.60 and 15,322,564.80 is: 22,983,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534,830.40 : 27,802,245.60 = 15,322,564.80 : x
  2. Step 2: Convert to fraction form
    18,534,830.40/27,802,245.60 = 15,322,564.80/x
  3. Step 3: Cross multiply
    18,534,830.40x = 27,802,245.60 × 15,322,564.80
  4. Step 4: Simplify right side
    18,534,830.40x = 426,001,709,791,514.94
  5. Step 5: Solve for x
    x = 426,001,709,791,514.94/18,534,830.40
  6. Step 6: Final answer
    x = 22,983,847.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.