Finding the Fourth Proportional to 7,009,495.84, 9,673,114.80 and 3,790,231.84
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Solution
The fourth proportional to 7,009,495.84, 9,673,114.80 and 3,790,231.84 is: 5,230,525.64
Step by Step Solution
- Step 1: Write the proportion equation
7,009,495.84 : 9,673,114.80 = 3,790,231.84 : x - Step 2: Convert to fraction form
7,009,495.84/9,673,114.80 = 3,790,231.84/x - Step 3: Cross multiply
7,009,495.84x = 9,673,114.80 × 3,790,231.84 - Step 4: Simplify right side
7,009,495.84x = 36,663,347,706,935.23 - Step 5: Solve for x
x = 36,663,347,706,935.23/7,009,495.84 - Step 6: Final answer
x = 5,230,525.64
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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.