Finding the Fourth Proportional to 7,663,584.78, 11,495,377.17 and 3,117,107.03
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Solution
The fourth proportional to 7,663,584.78, 11,495,377.17 and 3,117,107.03 is: 4,675,660.54
Step by Step Solution
- Step 1: Write the proportion equation
7,663,584.78 : 11,495,377.17 = 3,117,107.03 : x - Step 2: Convert to fraction form
7,663,584.78/11,495,377.17 = 3,117,107.03/x - Step 3: Cross multiply
7,663,584.78x = 11,495,377.17 × 3,117,107.03 - Step 4: Simplify right side
7,663,584.78x = 35,832,320,931,631.62 - Step 5: Solve for x
x = 35,832,320,931,631.62/7,663,584.78 - Step 6: Final answer
x = 4,675,660.54
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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.