Home / 13,310,619.27-19,971,628.75-4,213,457.43

Finding the Fourth Proportional to 13,310,619.27, 19,971,628.75 and 4,213,457.43

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Solution

The fourth proportional to 13,310,619.27, 19,971,628.75 and 4,213,457.43 is: 6,321,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,619.27 : 19,971,628.75 = 4,213,457.43 : x
  2. Step 2: Convert to fraction form
    13,310,619.27/19,971,628.75 = 4,213,457.43/x
  3. Step 3: Cross multiply
    13,310,619.27x = 19,971,628.75 × 4,213,457.43
  4. Step 4: Simplify right side
    13,310,619.27x = 84,149,607,476,262.31
  5. Step 5: Solve for x
    x = 84,149,607,476,262.31/13,310,619.27
  6. Step 6: Final answer
    x = 6,321,990.42

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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.