Finding the Fourth Proportional to 13,345,236.87, 18,416,409.24 and 7,233,663.75
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Solution
The fourth proportional to 13,345,236.87, 18,416,409.24 and 7,233,663.75 is: 9,982,446.41
Step by Step Solution
- Step 1: Write the proportion equation
13,345,236.87 : 18,416,409.24 = 7,233,663.75 : x - Step 2: Convert to fraction form
13,345,236.87/18,416,409.24 = 7,233,663.75/x - Step 3: Cross multiply
13,345,236.87x = 18,416,409.24 × 7,233,663.75 - Step 4: Simplify right side
13,345,236.87x = 133,218,111,924,553.03 - Step 5: Solve for x
x = 133,218,111,924,553.03/13,345,236.87 - Step 6: Final answer
x = 9,982,446.41
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1.5x scale
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.