Home / 18,898,212.06-28,351,823.31-6,118,720.56

Finding the Fourth Proportional to 18,898,212.06, 28,351,823.31 and 6,118,720.56

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Solution

The fourth proportional to 18,898,212.06, 28,351,823.31 and 6,118,720.56 is: 9,179,539.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898,212.06 : 28,351,823.31 = 6,118,720.56 : x
  2. Step 2: Convert to fraction form
    18,898,212.06/28,351,823.31 = 6,118,720.56/x
  3. Step 3: Cross multiply
    18,898,212.06x = 28,351,823.31 × 6,118,720.56
  4. Step 4: Simplify right side
    18,898,212.06x = 173,476,884,200,384.22
  5. Step 5: Solve for x
    x = 173,476,884,200,384.22/18,898,212.06
  6. Step 6: Final answer
    x = 9,179,539.51

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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.