Finding the Fourth Proportional to 7,379,045.72, 10,182,644.64 and 4,281,329.08
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Solution
The fourth proportional to 7,379,045.72, 10,182,644.64 and 4,281,329.08 is: 5,907,979.74
Step by Step Solution
- Step 1: Write the proportion equation
7,379,045.72 : 10,182,644.64 = 4,281,329.08 : x - Step 2: Convert to fraction form
7,379,045.72/10,182,644.64 = 4,281,329.08/x - Step 3: Cross multiply
7,379,045.72x = 10,182,644.64 × 4,281,329.08 - Step 4: Simplify right side
7,379,045.72x = 43,595,252,608,538.13 - Step 5: Solve for x
x = 43,595,252,608,538.13/7,379,045.72 - Step 6: Final answer
x = 5,907,979.74
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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.