Finding the Fourth Proportional to 9,568,958.84, 13,205,482.05 and 5,218,283.18
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Solution
The fourth proportional to 9,568,958.84, 13,205,482.05 and 5,218,283.18 is: 7,201,404.67
Step by Step Solution
- Step 1: Write the proportion equation
9,568,958.84 : 13,205,482.05 = 5,218,283.18 : x - Step 2: Convert to fraction form
9,568,958.84/13,205,482.05 = 5,218,283.18/x - Step 3: Cross multiply
9,568,958.84x = 13,205,482.05 × 5,218,283.18 - Step 4: Simplify right side
9,568,958.84x = 68,909,944,865,306.92 - Step 5: Solve for x
x = 68,909,944,865,306.92/9,568,958.84 - Step 6: Final answer
x = 7,201,404.67
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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.