Home / 7,218,967.24-9,962,171.94-3,999,703.24

Finding the Fourth Proportional to 7,218,967.24, 9,962,171.94 and 3,999,703.24

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Solution

The fourth proportional to 7,218,967.24, 9,962,171.94 and 3,999,703.24 is: 5,519,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,967.24 : 9,962,171.94 = 3,999,703.24 : x
  2. Step 2: Convert to fraction form
    7,218,967.24/9,962,171.94 = 3,999,703.24/x
  3. Step 3: Cross multiply
    7,218,967.24x = 9,962,171.94 × 3,999,703.24
  4. Step 4: Simplify right side
    7,218,967.24x = 39,845,731,385,855.09
  5. Step 5: Solve for x
    x = 39,845,731,385,855.09/7,218,967.24
  6. Step 6: Final answer
    x = 5,519,588.89

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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.