Finding the Fourth Proportional to 8,320,702.29, 11,486,105.66 and 5,058,558.70
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Solution
The fourth proportional to 8,320,702.29, 11,486,105.66 and 5,058,558.70 is: 6,982,961.02
Step by Step Solution
- Step 1: Write the proportion equation
8,320,702.29 : 11,486,105.66 = 5,058,558.70 : x - Step 2: Convert to fraction form
8,320,702.29/11,486,105.66 = 5,058,558.70/x - Step 3: Cross multiply
8,320,702.29x = 11,486,105.66 × 5,058,558.70 - Step 4: Simplify right side
8,320,702.29x = 58,103,139,715,512.24 - Step 5: Solve for x
x = 58,103,139,715,512.24/8,320,702.29 - Step 6: Final answer
x = 6,982,961.02
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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.