Finding the Fourth Proportional to 7,193,451.44, 9,926,845.67 and 3,930,195.93
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Solution
The fourth proportional to 7,193,451.44, 9,926,845.67 and 3,930,195.93 is: 5,423,606.29
Step by Step Solution
- Step 1: Write the proportion equation
7,193,451.44 : 9,926,845.67 = 3,930,195.93 : x - Step 2: Convert to fraction form
7,193,451.44/9,926,845.67 = 3,930,195.93/x - Step 3: Cross multiply
7,193,451.44x = 9,926,845.67 × 3,930,195.93 - Step 4: Simplify right side
7,193,451.44x = 39,014,448,459,797.61 - Step 5: Solve for x
x = 39,014,448,459,797.61/7,193,451.44 - Step 6: Final answer
x = 5,423,606.29
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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.