Home / 20,958,444.88-28,922,649.48-11,665,814.56

Finding the Fourth Proportional to 20,958,444.88, 28,922,649.48 and 11,665,814.56

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Solution

The fourth proportional to 20,958,444.88, 28,922,649.48 and 11,665,814.56 is: 16,098,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,958,444.88 : 28,922,649.48 = 11,665,814.56 : x
  2. Step 2: Convert to fraction form
    20,958,444.88/28,922,649.48 = 11,665,814.56/x
  3. Step 3: Cross multiply
    20,958,444.88x = 28,922,649.48 × 11,665,814.56
  4. Step 4: Simplify right side
    20,958,444.88x = 337,406,265,417,560.44
  5. Step 5: Solve for x
    x = 337,406,265,417,560.44/20,958,444.88
  6. Step 6: Final answer
    x = 16,098,821.61

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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.