Finding the Fourth Proportional to 7,193,448.33, 9,926,842.85 and 3,930,192.99
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Solution
The fourth proportional to 7,193,448.33, 9,926,842.85 and 3,930,192.99 is: 5,423,603.03
Step by Step Solution
- Step 1: Write the proportion equation
7,193,448.33 : 9,926,842.85 = 3,930,192.99 : x - Step 2: Convert to fraction form
7,193,448.33/9,926,842.85 = 3,930,192.99/x - Step 3: Cross multiply
7,193,448.33x = 9,926,842.85 × 3,930,192.99 - Step 4: Simplify right side
7,193,448.33x = 39,014,408,162,250.66 - Step 5: Solve for x
x = 39,014,408,162,250.66/7,193,448.33 - Step 6: Final answer
x = 5,423,603.03
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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.