Finding the Fourth Proportional to 7,446,141.16, 11,169,241.20 and 4,921,235.08
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Solution
The fourth proportional to 7,446,141.16, 11,169,241.20 and 4,921,235.08 is: 7,381,872.09
Step by Step Solution
- Step 1: Write the proportion equation
7,446,141.16 : 11,169,241.20 = 4,921,235.08 : x - Step 2: Convert to fraction form
7,446,141.16/11,169,241.20 = 4,921,235.08/x - Step 3: Cross multiply
7,446,141.16x = 11,169,241.20 × 4,921,235.08 - Step 4: Simplify right side
7,446,141.16x = 54,966,461,582,498.19 - Step 5: Solve for x
x = 54,966,461,582,498.19/7,446,141.16 - Step 6: Final answer
x = 7,381,872.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.