Finding the Fourth Proportional to 7,193,464.07, 9,926,864.55 and 3,930,208.70
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Solution
The fourth proportional to 7,193,464.07, 9,926,864.55 and 3,930,208.70 is: 5,423,624.70
Step by Step Solution
- Step 1: Write the proportion equation
7,193,464.07 : 9,926,864.55 = 3,930,208.70 : x - Step 2: Convert to fraction form
7,193,464.07/9,926,864.55 = 3,930,208.70/x - Step 3: Cross multiply
7,193,464.07x = 9,926,864.55 × 3,930,208.70 - Step 4: Simplify right side
7,193,464.07x = 39,014,649,368,497.27 - Step 5: Solve for x
x = 39,014,649,368,497.27/7,193,464.07 - Step 6: Final answer
x = 5,423,624.70
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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.