Home / 8,131,649.70-12,193,550.76-4,720,794.93

Finding the Fourth Proportional to 8,131,649.70, 12,193,550.76 and 4,720,794.93

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Solution

The fourth proportional to 8,131,649.70, 12,193,550.76 and 4,720,794.93 is: 7,078,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,649.70 : 12,193,550.76 = 4,720,794.93 : x
  2. Step 2: Convert to fraction form
    8,131,649.70/12,193,550.76 = 4,720,794.93/x
  3. Step 3: Cross multiply
    8,131,649.70x = 12,193,550.76 × 4,720,794.93
  4. Step 4: Simplify right side
    8,131,649.70x = 57,563,252,606,505.64
  5. Step 5: Solve for x
    x = 57,563,252,606,505.64/8,131,649.70
  6. Step 6: Final answer
    x = 7,078,914.46

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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.