Home / 30,367,230.44-45,561,341.66-18,994,128.36

Finding the Fourth Proportional to 30,367,230.44, 45,561,341.66 and 18,994,128.36

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Solution

The fourth proportional to 30,367,230.44, 45,561,341.66 and 18,994,128.36 is: 28,497,757.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,367,230.44 : 45,561,341.66 = 18,994,128.36 : x
  2. Step 2: Convert to fraction form
    30,367,230.44/45,561,341.66 = 18,994,128.36/x
  3. Step 3: Cross multiply
    30,367,230.44x = 45,561,341.66 × 18,994,128.36
  4. Step 4: Simplify right side
    30,367,230.44x = 865,397,971,743,855.38
  5. Step 5: Solve for x
    x = 865,397,971,743,855.38/30,367,230.44
  6. Step 6: Final answer
    x = 28,497,757.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.