Home / 11,720,629.80-16,173,699.30-6,562,809

Finding the Fourth Proportional to 11,720,629.80, 16,173,699.30 and 6,562,809

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Solution

The fourth proportional to 11,720,629.80, 16,173,699.30 and 6,562,809 is: 9,056,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720,629.80 : 16,173,699.30 = 6,562,809 : x
  2. Step 2: Convert to fraction form
    11,720,629.80/16,173,699.30 = 6,562,809/x
  3. Step 3: Cross multiply
    11,720,629.80x = 16,173,699.30 × 6,562,809
  4. Step 4: Simplify right side
    11,720,629.80x = 106,144,899,329,333.70
  5. Step 5: Solve for x
    x = 106,144,899,329,333.70/11,720,629.80
  6. Step 6: Final answer
    x = 9,056,245.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.