Finding the Fourth Proportional to 8,430,098.26, 11,633,817.69 and 5,166,282.68
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Solution
The fourth proportional to 8,430,098.26, 11,633,817.69 and 5,166,282.68 is: 7,129,642.97
Step by Step Solution
- Step 1: Write the proportion equation
8,430,098.26 : 11,633,817.69 = 5,166,282.68 : x - Step 2: Convert to fraction form
8,430,098.26/11,633,817.69 = 5,166,282.68/x - Step 3: Cross multiply
8,430,098.26x = 11,633,817.69 × 5,166,282.68 - Step 4: Simplify right side
8,430,098.26x = 60,103,590,772,334.63 - Step 5: Solve for x
x = 60,103,590,772,334.63/8,430,098.26 - Step 6: Final answer
x = 7,129,642.97
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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.