Home / 12,190,500.93-18,286,746.48-6,122,111.73

Finding the Fourth Proportional to 12,190,500.93, 18,286,746.48 and 6,122,111.73

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Solution

The fourth proportional to 12,190,500.93, 18,286,746.48 and 6,122,111.73 is: 9,183,667.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190,500.93 : 18,286,746.48 = 6,122,111.73 : x
  2. Step 2: Convert to fraction form
    12,190,500.93/18,286,746.48 = 6,122,111.73/x
  3. Step 3: Cross multiply
    12,190,500.93x = 18,286,746.48 × 6,122,111.73
  4. Step 4: Simplify right side
    12,190,500.93x = 111,953,505,128,744.22
  5. Step 5: Solve for x
    x = 111,953,505,128,744.22/12,190,500.93
  6. Step 6: Final answer
    x = 9,183,667.33

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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.