Home / 13,745,213.44-20,617,688.96-8,355,352.32

Finding the Fourth Proportional to 13,745,213.44, 20,617,688.96 and 8,355,352.32

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Solution

The fourth proportional to 13,745,213.44, 20,617,688.96 and 8,355,352.32 is: 12,532,948.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,213.44 : 20,617,688.96 = 8,355,352.32 : x
  2. Step 2: Convert to fraction form
    13,745,213.44/20,617,688.96 = 8,355,352.32/x
  3. Step 3: Cross multiply
    13,745,213.44x = 20,617,688.96 × 8,355,352.32
  4. Step 4: Simplify right side
    13,745,213.44x = 172,268,055,284,974.41
  5. Step 5: Solve for x
    x = 172,268,055,284,974.41/13,745,213.44
  6. Step 6: Final answer
    x = 12,532,948.73

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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.