Home / 13,555,221.67-20,333,486.41-4,457,117.81

Finding the Fourth Proportional to 13,555,221.67, 20,333,486.41 and 4,457,117.81

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Solution

The fourth proportional to 13,555,221.67, 20,333,486.41 and 4,457,117.81 is: 6,685,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,221.67 : 20,333,486.41 = 4,457,117.81 : x
  2. Step 2: Convert to fraction form
    13,555,221.67/20,333,486.41 = 4,457,117.81/x
  3. Step 3: Cross multiply
    13,555,221.67x = 20,333,486.41 × 4,457,117.81
  4. Step 4: Simplify right side
    13,555,221.67x = 90,628,744,417,403.95
  5. Step 5: Solve for x
    x = 90,628,744,417,403.95/13,555,221.67
  6. Step 6: Final answer
    x = 6,685,891.73

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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.