Finding the Fourth Proportional to 7,193,459.97, 9,926,857.44 and 3,930,204.47
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Solution
The fourth proportional to 7,193,459.97, 9,926,857.44 and 3,930,204.47 is: 5,423,618.06
Step by Step Solution
- Step 1: Write the proportion equation
7,193,459.97 : 9,926,857.44 = 3,930,204.47 : x - Step 2: Convert to fraction form
7,193,459.97/9,926,857.44 = 3,930,204.47/x - Step 3: Cross multiply
7,193,459.97x = 9,926,857.44 × 3,930,204.47 - Step 4: Simplify right side
7,193,459.97x = 39,014,579,434,106.47 - Step 5: Solve for x
x = 39,014,579,434,106.47/7,193,459.97 - Step 6: Final answer
x = 5,423,618.06
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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.