Finding the Fourth Proportional to 7,430,218.14, 10,254,821.81 and 4,531,290.63
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Solution
The fourth proportional to 7,430,218.14, 10,254,821.81 and 4,531,290.63 is: 6,253,864.58
Step by Step Solution
- Step 1: Write the proportion equation
7,430,218.14 : 10,254,821.81 = 4,531,290.63 : x - Step 2: Convert to fraction form
7,430,218.14/10,254,821.81 = 4,531,290.63/x - Step 3: Cross multiply
7,430,218.14x = 10,254,821.81 × 4,531,290.63 - Step 4: Simplify right side
7,430,218.14x = 46,467,578,043,621.72 - Step 5: Solve for x
x = 46,467,578,043,621.72/7,430,218.14 - Step 6: Final answer
x = 6,253,864.58
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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.