Home / 20,455,933.03-28,229,786.06-11,164,099.07

Finding the Fourth Proportional to 20,455,933.03, 28,229,786.06 and 11,164,099.07

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Solution

The fourth proportional to 20,455,933.03, 28,229,786.06 and 11,164,099.07 is: 15,406,783.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,933.03 : 28,229,786.06 = 11,164,099.07 : x
  2. Step 2: Convert to fraction form
    20,455,933.03/28,229,786.06 = 11,164,099.07/x
  3. Step 3: Cross multiply
    20,455,933.03x = 28,229,786.06 × 11,164,099.07
  4. Step 4: Simplify right side
    20,455,933.03x = 315,160,128,256,080.75
  5. Step 5: Solve for x
    x = 315,160,128,256,080.75/20,455,933.03
  6. Step 6: Final answer
    x = 15,406,783.34

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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.