Home / 30,367,229.44-45,561,340.16-18,994,127.36

Finding the Fourth Proportional to 30,367,229.44, 45,561,340.16 and 18,994,127.36

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Solution

The fourth proportional to 30,367,229.44, 45,561,340.16 and 18,994,127.36 is: 28,497,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,367,229.44 : 45,561,340.16 = 18,994,127.36 : x
  2. Step 2: Convert to fraction form
    30,367,229.44/45,561,340.16 = 18,994,127.36/x
  3. Step 3: Cross multiply
    30,367,229.44x = 45,561,340.16 × 18,994,127.36
  4. Step 4: Simplify right side
    30,367,229.44x = 865,397,897,691,322.62
  5. Step 5: Solve for x
    x = 865,397,897,691,322.62/30,367,229.44
  6. Step 6: Final answer
    x = 28,497,756.09

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1.5x scale

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.