Home / 23,021,091.36-31,778,566.56-15,703,080.48

Finding the Fourth Proportional to 23,021,091.36, 31,778,566.56 and 15,703,080.48

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Solution

The fourth proportional to 23,021,091.36, 31,778,566.56 and 15,703,080.48 is: 21,676,704.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021,091.36 : 31,778,566.56 = 15,703,080.48 : x
  2. Step 2: Convert to fraction form
    23,021,091.36/31,778,566.56 = 15,703,080.48/x
  3. Step 3: Cross multiply
    23,021,091.36x = 31,778,566.56 × 15,703,080.48
  4. Step 4: Simplify right side
    23,021,091.36x = 499,021,388,230,716.75
  5. Step 5: Solve for x
    x = 499,021,388,230,716.75/23,021,091.36
  6. Step 6: Final answer
    x = 21,676,704.22

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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.