Finding the Fourth Proportional to 6,885,888.08, 9,505,083.68 and 5,915,122.52
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Solution
The fourth proportional to 6,885,888.08, 9,505,083.68 and 5,915,122.52 is: 8,165,066.56
Step by Step Solution
- Step 1: Write the proportion equation
6,885,888.08 : 9,505,083.68 = 5,915,122.52 : x - Step 2: Convert to fraction form
6,885,888.08/9,505,083.68 = 5,915,122.52/x - Step 3: Cross multiply
6,885,888.08x = 9,505,083.68 × 5,915,122.52 - Step 4: Simplify right side
6,885,888.08x = 56,223,734,530,052.47 - Step 5: Solve for x
x = 56,223,734,530,052.47/6,885,888.08 - Step 6: Final answer
x = 8,165,066.56
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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.