Home / 12,407,499.42-17,135,403.03-11,054,967.90

Finding the Fourth Proportional to 12,407,499.42, 17,135,403.03 and 11,054,967.90

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Solution

The fourth proportional to 12,407,499.42, 17,135,403.03 and 11,054,967.90 is: 15,267,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,407,499.42 : 17,135,403.03 = 11,054,967.90 : x
  2. Step 2: Convert to fraction form
    12,407,499.42/17,135,403.03 = 11,054,967.90/x
  3. Step 3: Cross multiply
    12,407,499.42x = 17,135,403.03 × 11,054,967.90
  4. Step 4: Simplify right side
    12,407,499.42x = 189,431,330,450,212.75
  5. Step 5: Solve for x
    x = 189,431,330,450,212.75/12,407,499.42
  6. Step 6: Final answer
    x = 15,267,486.54

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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.