Finding the Fourth Proportional to 10,026,316.80, 13,836,278.64 and 5,442,598.08
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Solution
The fourth proportional to 10,026,316.80, 13,836,278.64 and 5,442,598.08 is: 7,510,764.43
Step by Step Solution
- Step 1: Write the proportion equation
10,026,316.80 : 13,836,278.64 = 5,442,598.08 : x - Step 2: Convert to fraction form
10,026,316.80/13,836,278.64 = 5,442,598.08/x - Step 3: Cross multiply
10,026,316.80x = 13,836,278.64 × 5,442,598.08 - Step 4: Simplify right side
10,026,316.80x = 75,305,303,560,409.02 - Step 5: Solve for x
x = 75,305,303,560,409.02/10,026,316.80 - Step 6: Final answer
x = 7,510,764.43
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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.