Finding the Fourth Proportional to 8,483,927.38, 11,707,721.36 and 4,616,381.90
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Solution
The fourth proportional to 8,483,927.38, 11,707,721.36 and 4,616,381.90 is: 6,370,553.47
Step by Step Solution
- Step 1: Write the proportion equation
8,483,927.38 : 11,707,721.36 = 4,616,381.90 : x - Step 2: Convert to fraction form
8,483,927.38/11,707,721.36 = 4,616,381.90/x - Step 3: Cross multiply
8,483,927.38x = 11,707,721.36 × 4,616,381.90 - Step 4: Simplify right side
8,483,927.38x = 54,047,312,976,547.38 - Step 5: Solve for x
x = 54,047,312,976,547.38/8,483,927.38 - Step 6: Final answer
x = 6,370,553.47
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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.