Home / 15,196,137.96-20,970,675.46-8,321,055.56

Finding the Fourth Proportional to 15,196,137.96, 20,970,675.46 and 8,321,055.56

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Solution

The fourth proportional to 15,196,137.96, 20,970,675.46 and 8,321,055.56 is: 11,483,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196,137.96 : 20,970,675.46 = 8,321,055.56 : x
  2. Step 2: Convert to fraction form
    15,196,137.96/20,970,675.46 = 8,321,055.56/x
  3. Step 3: Cross multiply
    15,196,137.96x = 20,970,675.46 × 8,321,055.56
  4. Step 4: Simplify right side
    15,196,137.96x = 174,498,155,633,388.56
  5. Step 5: Solve for x
    x = 174,498,155,633,388.56/15,196,137.96
  6. Step 6: Final answer
    x = 11,483,059.45

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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.