Home / 18,170,556.26-25,075,666.50-9,910,618.57

Finding the Fourth Proportional to 18,170,556.26, 25,075,666.50 and 9,910,618.57

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Solution

The fourth proportional to 18,170,556.26, 25,075,666.50 and 9,910,618.57 is: 13,676,816.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170,556.26 : 25,075,666.50 = 9,910,618.57 : x
  2. Step 2: Convert to fraction form
    18,170,556.26/25,075,666.50 = 9,910,618.57/x
  3. Step 3: Cross multiply
    18,170,556.26x = 25,075,666.50 × 9,910,618.57
  4. Step 4: Simplify right side
    18,170,556.26x = 248,515,366,064,206.66
  5. Step 5: Solve for x
    x = 248,515,366,064,206.66/18,170,556.26
  6. Step 6: Final answer
    x = 13,676,816.63

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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.