Finding the Fourth Proportional to 6,628,577.04, 9,894,474.18 and 5,687,992.08
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Solution
The fourth proportional to 6,628,577.04, 9,894,474.18 and 5,687,992.08 is: 8,490,463.40
Step by Step Solution
- Step 1: Write the proportion equation
6,628,577.04 : 9,894,474.18 = 5,687,992.08 : x - Step 2: Convert to fraction form
6,628,577.04/9,894,474.18 = 5,687,992.08/x - Step 3: Cross multiply
6,628,577.04x = 9,894,474.18 × 5,687,992.08 - Step 4: Simplify right side
6,628,577.04x = 56,279,690,771,604.49 - Step 5: Solve for x
x = 56,279,690,771,604.49/6,628,577.04 - Step 6: Final answer
x = 8,490,463.40
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.