Home / 7,985,879.82-11,980,840.41-2,228,612.76

Finding the Fourth Proportional to 7,985,879.82, 11,980,840.41 and 2,228,612.76

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Solution

The fourth proportional to 7,985,879.82, 11,980,840.41 and 2,228,612.76 is: 3,343,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985,879.82 : 11,980,840.41 = 2,228,612.76 : x
  2. Step 2: Convert to fraction form
    7,985,879.82/11,980,840.41 = 2,228,612.76/x
  3. Step 3: Cross multiply
    7,985,879.82x = 11,980,840.41 × 2,228,612.76
  4. Step 4: Simplify right side
    7,985,879.82x = 26,700,653,813,249.63
  5. Step 5: Solve for x
    x = 26,700,653,813,249.63/7,985,879.82
  6. Step 6: Final answer
    x = 3,343,483.05

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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.