Finding the Fourth Proportional to 11,317,220.66, 15,617,766.30 and 6,160,620.80
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Solution
The fourth proportional to 11,317,220.66, 15,617,766.30 and 6,160,620.80 is: 8,501,657.68
Step by Step Solution
- Step 1: Write the proportion equation
11,317,220.66 : 15,617,766.30 = 6,160,620.80 : x - Step 2: Convert to fraction form
11,317,220.66/15,617,766.30 = 6,160,620.80/x - Step 3: Cross multiply
11,317,220.66x = 15,617,766.30 × 6,160,620.80 - Step 4: Simplify right side
11,317,220.66x = 96,215,135,917,319.05 - Step 5: Solve for x
x = 96,215,135,917,319.05/11,317,220.66 - Step 6: Final answer
x = 8,501,657.68
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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.