Finding the Fourth Proportional to 8,891,695.84, 12,270,553.36 and 4,817,315.04
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Solution
The fourth proportional to 8,891,695.84, 12,270,553.36 and 4,817,315.04 is: 6,647,901.85
Step by Step Solution
- Step 1: Write the proportion equation
8,891,695.84 : 12,270,553.36 = 4,817,315.04 : x - Step 2: Convert to fraction form
8,891,695.84/12,270,553.36 = 4,817,315.04/x - Step 3: Cross multiply
8,891,695.84x = 12,270,553.36 × 4,817,315.04 - Step 4: Simplify right side
8,891,695.84x = 59,111,121,250,250.53 - Step 5: Solve for x
x = 59,111,121,250,250.53/8,891,695.84 - Step 6: Final answer
x = 6,647,901.85
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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.