Finding the Fourth Proportional to 11,484,362.91, 15,848,779.70 and 6,590,480.21
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Solution
The fourth proportional to 11,484,362.91, 15,848,779.70 and 6,590,480.21 is: 9,095,068.64
Step by Step Solution
- Step 1: Write the proportion equation
11,484,362.91 : 15,848,779.70 = 6,590,480.21 : x - Step 2: Convert to fraction form
11,484,362.91/15,848,779.70 = 6,590,480.21/x - Step 3: Cross multiply
11,484,362.91x = 15,848,779.70 × 6,590,480.21 - Step 4: Simplify right side
11,484,362.91x = 104,451,068,902,732.05 - Step 5: Solve for x
x = 104,451,068,902,732.05/11,484,362.91 - Step 6: Final answer
x = 9,095,068.64
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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.