Finding the Fourth Proportional to 17,816,657.60, 26,725,861.20 and 9,313,601.60
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Solution
The fourth proportional to 17,816,657.60, 26,725,861.20 and 9,313,601.60 is: 13,970,859.70
Step by Step Solution
- Step 1: Write the proportion equation
17,816,657.60 : 26,725,861.20 = 9,313,601.60 : x - Step 2: Convert to fraction form
17,816,657.60/26,725,861.20 = 9,313,601.60/x - Step 3: Cross multiply
17,816,657.60x = 26,725,861.20 × 9,313,601.60 - Step 4: Simplify right side
17,816,657.60x = 248,914,023,633,697.91 - Step 5: Solve for x
x = 248,914,023,633,697.91/17,816,657.60 - Step 6: Final answer
x = 13,970,859.70
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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.