Finding the Fourth Proportional to 9,020,979.44, 12,436,908.66 and 7,166,548.04
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Solution
The fourth proportional to 9,020,979.44, 12,436,908.66 and 7,166,548.04 is: 9,880,268.99
Step by Step Solution
- Step 1: Write the proportion equation
9,020,979.44 : 12,436,908.66 = 7,166,548.04 : x - Step 2: Convert to fraction form
9,020,979.44/12,436,908.66 = 7,166,548.04/x - Step 3: Cross multiply
9,020,979.44x = 12,436,908.66 × 7,166,548.04 - Step 4: Simplify right side
9,020,979.44x = 89,129,703,380,982.03 - Step 5: Solve for x
x = 89,129,703,380,982.03/9,020,979.44 - Step 6: Final answer
x = 9,880,268.99
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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.