Home / 28,002,045.20-42,003,067.80-8,834,739.80

Finding the Fourth Proportional to 28,002,045.20, 42,003,067.80 and 8,834,739.80

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Solution

The fourth proportional to 28,002,045.20, 42,003,067.80 and 8,834,739.80 is: 13,252,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002,045.20 : 42,003,067.80 = 8,834,739.80 : x
  2. Step 2: Convert to fraction form
    28,002,045.20/42,003,067.80 = 8,834,739.80/x
  3. Step 3: Cross multiply
    28,002,045.20x = 42,003,067.80 × 8,834,739.80
  4. Step 4: Simplify right side
    28,002,045.20x = 371,086,174,814,758.44
  5. Step 5: Solve for x
    x = 371,086,174,814,758.44/28,002,045.20
  6. Step 6: Final answer
    x = 13,252,109.70

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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.