Home / 13,285,418.80-19,932,793.80-5,714,705.20

Finding the Fourth Proportional to 13,285,418.80, 19,932,793.80 and 5,714,705.20

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Solution

The fourth proportional to 13,285,418.80, 19,932,793.80 and 5,714,705.20 is: 8,574,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,418.80 : 19,932,793.80 = 5,714,705.20 : x
  2. Step 2: Convert to fraction form
    13,285,418.80/19,932,793.80 = 5,714,705.20/x
  3. Step 3: Cross multiply
    13,285,418.80x = 19,932,793.80 × 5,714,705.20
  4. Step 4: Simplify right side
    13,285,418.80x = 113,910,040,379,387.77
  5. Step 5: Solve for x
    x = 113,910,040,379,387.77/13,285,418.80
  6. Step 6: Final answer
    x = 8,574,064.70

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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.