Finding the Fourth Proportional to 9,524,636.84, 13,144,235.88 and 5,173,721.84
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Solution
The fourth proportional to 9,524,636.84, 13,144,235.88 and 5,173,721.84 is: 7,139,864.90
Step by Step Solution
- Step 1: Write the proportion equation
9,524,636.84 : 13,144,235.88 = 5,173,721.84 : x - Step 2: Convert to fraction form
9,524,636.84/13,144,235.88 = 5,173,721.84/x - Step 3: Cross multiply
9,524,636.84x = 13,144,235.88 × 5,173,721.84 - Step 4: Simplify right side
9,524,636.84x = 68,004,620,242,467.62 - Step 5: Solve for x
x = 68,004,620,242,467.62/9,524,636.84 - Step 6: Final answer
x = 7,139,864.90
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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.