Home / 12,726,556.68-19,090,012.77-3,628,657.85

Finding the Fourth Proportional to 12,726,556.68, 19,090,012.77 and 3,628,657.85

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Solution

The fourth proportional to 12,726,556.68, 19,090,012.77 and 3,628,657.85 is: 5,443,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726,556.68 : 19,090,012.77 = 3,628,657.85 : x
  2. Step 2: Convert to fraction form
    12,726,556.68/19,090,012.77 = 3,628,657.85/x
  3. Step 3: Cross multiply
    12,726,556.68x = 19,090,012.77 × 3,628,657.85
  4. Step 4: Simplify right side
    12,726,556.68x = 69,271,124,599,010.68
  5. Step 5: Solve for x
    x = 69,271,124,599,010.68/12,726,556.68
  6. Step 6: Final answer
    x = 5,443,037.45

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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.