Finding the Fourth Proportional to 7,008,562.43, 9,673,884.57 and 4,108,580.99
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Solution
The fourth proportional to 7,008,562.43, 9,673,884.57 and 4,108,580.99 is: 5,671,054.32
Step by Step Solution
- Step 1: Write the proportion equation
7,008,562.43 : 9,673,884.57 = 4,108,580.99 : x - Step 2: Convert to fraction form
7,008,562.43/9,673,884.57 = 4,108,580.99/x - Step 3: Cross multiply
7,008,562.43x = 9,673,884.57 × 4,108,580.99 - Step 4: Simplify right side
7,008,562.43x = 39,745,938,195,386.90 - Step 5: Solve for x
x = 39,745,938,195,386.90/7,008,562.43 - Step 6: Final answer
x = 5,671,054.32
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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.