Home / 21,609,380.38-29,820,594.47-11,819,738.93

Finding the Fourth Proportional to 21,609,380.38, 29,820,594.47 and 11,819,738.93

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Solution

The fourth proportional to 21,609,380.38, 29,820,594.47 and 11,819,738.93 is: 16,311,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,609,380.38 : 29,820,594.47 = 11,819,738.93 : x
  2. Step 2: Convert to fraction form
    21,609,380.38/29,820,594.47 = 11,819,738.93/x
  3. Step 3: Cross multiply
    21,609,380.38x = 29,820,594.47 × 11,819,738.93
  4. Step 4: Simplify right side
    21,609,380.38x = 352,471,641,327,799.56
  5. Step 5: Solve for x
    x = 352,471,641,327,799.56/21,609,380.38
  6. Step 6: Final answer
    x = 16,311,048.03

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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.