Home / 20,170,672.02-27,837,859.41-11,230,682.58

Finding the Fourth Proportional to 20,170,672.02, 27,837,859.41 and 11,230,682.58

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Solution

The fourth proportional to 20,170,672.02, 27,837,859.41 and 11,230,682.58 is: 15,499,640.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,170,672.02 : 27,837,859.41 = 11,230,682.58 : x
  2. Step 2: Convert to fraction form
    20,170,672.02/27,837,859.41 = 11,230,682.58/x
  3. Step 3: Cross multiply
    20,170,672.02x = 27,837,859.41 × 11,230,682.58
  4. Step 4: Simplify right side
    20,170,672.02x = 312,638,162,740,376.06
  5. Step 5: Solve for x
    x = 312,638,162,740,376.06/20,170,672.02
  6. Step 6: Final answer
    x = 15,499,640.39

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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.