Home / 7,679,418.98-11,520,846.63-2,887,149.77

Finding the Fourth Proportional to 7,679,418.98, 11,520,846.63 and 2,887,149.77

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Solution

The fourth proportional to 7,679,418.98, 11,520,846.63 and 2,887,149.77 is: 4,331,370.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,418.98 : 11,520,846.63 = 2,887,149.77 : x
  2. Step 2: Convert to fraction form
    7,679,418.98/11,520,846.63 = 2,887,149.77/x
  3. Step 3: Cross multiply
    7,679,418.98x = 11,520,846.63 × 2,887,149.77
  4. Step 4: Simplify right side
    7,679,418.98x = 33,262,409,698,009.78
  5. Step 5: Solve for x
    x = 33,262,409,698,009.78/7,679,418.98
  6. Step 6: Final answer
    x = 4,331,370.61

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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.