Home / 21,590,771.96-29,795,222.11-12,298,338.51

Finding the Fourth Proportional to 21,590,771.96, 29,795,222.11 and 12,298,338.51

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Solution

The fourth proportional to 21,590,771.96, 29,795,222.11 and 12,298,338.51 is: 16,971,682.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590,771.96 : 29,795,222.11 = 12,298,338.51 : x
  2. Step 2: Convert to fraction form
    21,590,771.96/29,795,222.11 = 12,298,338.51/x
  3. Step 3: Cross multiply
    21,590,771.96x = 29,795,222.11 × 12,298,338.51
  4. Step 4: Simplify right side
    21,590,771.96x = 366,431,727,458,670.62
  5. Step 5: Solve for x
    x = 366,431,727,458,670.62/21,590,771.96
  6. Step 6: Final answer
    x = 16,971,682.54

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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.