Home / 8,131,433.16-12,195,841.02-2,372,814.78

Finding the Fourth Proportional to 8,131,433.16, 12,195,841.02 and 2,372,814.78

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Solution

The fourth proportional to 8,131,433.16, 12,195,841.02 and 2,372,814.78 is: 3,558,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,433.16 : 12,195,841.02 = 2,372,814.78 : x
  2. Step 2: Convert to fraction form
    8,131,433.16/12,195,841.02 = 2,372,814.78/x
  3. Step 3: Cross multiply
    8,131,433.16x = 12,195,841.02 × 2,372,814.78
  4. Step 4: Simplify right side
    8,131,433.16x = 28,938,471,826,786.27
  5. Step 5: Solve for x
    x = 28,938,471,826,786.27/8,131,433.16
  6. Step 6: Final answer
    x = 3,558,840.28

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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.