Finding the Fourth Proportional to 8,958,878.56, 12,364,302.01 and 5,091,980.99
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Solution
The fourth proportional to 8,958,878.56, 12,364,302.01 and 5,091,980.99 is: 7,027,530.33
Step by Step Solution
- Step 1: Write the proportion equation
8,958,878.56 : 12,364,302.01 = 5,091,980.99 : x - Step 2: Convert to fraction form
8,958,878.56/12,364,302.01 = 5,091,980.99/x - Step 3: Cross multiply
8,958,878.56x = 12,364,302.01 × 5,091,980.99 - Step 4: Simplify right side
8,958,878.56x = 62,958,790,789,538.79 - Step 5: Solve for x
x = 62,958,790,789,538.79/8,958,878.56 - Step 6: Final answer
x = 7,027,530.33
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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.