Finding the Fourth Proportional to 7,670,974.84, 10,586,169.71 and 4,186,537.10
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Solution
The fourth proportional to 7,670,974.84, 10,586,169.71 and 4,186,537.10 is: 5,777,543.69
Step by Step Solution
- Step 1: Write the proportion equation
7,670,974.84 : 10,586,169.71 = 4,186,537.10 : x - Step 2: Convert to fraction form
7,670,974.84/10,586,169.71 = 4,186,537.10/x - Step 3: Cross multiply
7,670,974.84x = 10,586,169.71 × 4,186,537.10 - Step 4: Simplify right side
7,670,974.84x = 44,319,392,268,968.03 - Step 5: Solve for x
x = 44,319,392,268,968.03/7,670,974.84 - Step 6: Final answer
x = 5,777,543.69
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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.