Home / 19,008,067.80-28,512,101.70-5,546,256.60

Finding the Fourth Proportional to 19,008,067.80, 28,512,101.70 and 5,546,256.60

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Solution

The fourth proportional to 19,008,067.80, 28,512,101.70 and 5,546,256.60 is: 8,319,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,067.80 : 28,512,101.70 = 5,546,256.60 : x
  2. Step 2: Convert to fraction form
    19,008,067.80/28,512,101.70 = 5,546,256.60/x
  3. Step 3: Cross multiply
    19,008,067.80x = 28,512,101.70 × 5,546,256.60
  4. Step 4: Simplify right side
    19,008,067.80x = 158,135,432,233,496.22
  5. Step 5: Solve for x
    x = 158,135,432,233,496.22/19,008,067.80
  6. Step 6: Final answer
    x = 8,319,384.90

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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.