Home / 13,555,218.50-20,333,481.69-4,457,114.66

Finding the Fourth Proportional to 13,555,218.50, 20,333,481.69 and 4,457,114.66

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Solution

The fourth proportional to 13,555,218.50, 20,333,481.69 and 4,457,114.66 is: 6,685,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,218.50 : 20,333,481.69 = 4,457,114.66 : x
  2. Step 2: Convert to fraction form
    13,555,218.50/20,333,481.69 = 4,457,114.66/x
  3. Step 3: Cross multiply
    13,555,218.50x = 20,333,481.69 × 4,457,114.66
  4. Step 4: Simplify right side
    13,555,218.50x = 90,628,659,329,340.58
  5. Step 5: Solve for x
    x = 90,628,659,329,340.58/13,555,218.50
  6. Step 6: Final answer
    x = 6,685,887.01

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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.