Home / 21,709,484.42-29,959,516.96-11,919,842.96

Finding the Fourth Proportional to 21,709,484.42, 29,959,516.96 and 11,919,842.96

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Solution

The fourth proportional to 21,709,484.42, 29,959,516.96 and 11,919,842.96 is: 16,449,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,709,484.42 : 29,959,516.96 = 11,919,842.96 : x
  2. Step 2: Convert to fraction form
    21,709,484.42/29,959,516.96 = 11,919,842.96/x
  3. Step 3: Cross multiply
    21,709,484.42x = 29,959,516.96 × 11,919,842.96
  4. Step 4: Simplify right side
    21,709,484.42x = 357,112,737,320,656.62
  5. Step 5: Solve for x
    x = 357,112,737,320,656.62/21,709,484.42
  6. Step 6: Final answer
    x = 16,449,618.54

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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.