Home / 13,745,272.54-18,952,931.72-8,777,181.28

Finding the Fourth Proportional to 13,745,272.54, 18,952,931.72 and 8,777,181.28

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Solution

The fourth proportional to 13,745,272.54, 18,952,931.72 and 8,777,181.28 is: 12,102,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,272.54 : 18,952,931.72 = 8,777,181.28 : x
  2. Step 2: Convert to fraction form
    13,745,272.54/18,952,931.72 = 8,777,181.28/x
  3. Step 3: Cross multiply
    13,745,272.54x = 18,952,931.72 × 8,777,181.28
  4. Step 4: Simplify right side
    13,745,272.54x = 166,353,317,493,902.19
  5. Step 5: Solve for x
    x = 166,353,317,493,902.19/13,745,272.54
  6. Step 6: Final answer
    x = 12,102,584.14

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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.