Home / 20,067,067.60-30,100,601.40-4,920,999.10

Finding the Fourth Proportional to 20,067,067.60, 30,100,601.40 and 4,920,999.10

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Solution

The fourth proportional to 20,067,067.60, 30,100,601.40 and 4,920,999.10 is: 7,381,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067,067.60 : 30,100,601.40 = 4,920,999.10 : x
  2. Step 2: Convert to fraction form
    20,067,067.60/30,100,601.40 = 4,920,999.10/x
  3. Step 3: Cross multiply
    20,067,067.60x = 30,100,601.40 × 4,920,999.10
  4. Step 4: Simplify right side
    20,067,067.60x = 148,125,032,398,858.72
  5. Step 5: Solve for x
    x = 148,125,032,398,858.72/20,067,067.60
  6. Step 6: Final answer
    x = 7,381,498.65

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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.