Finding the Fourth Proportional to 8,745,745.10, 12,069,668.86 and 4,825,481.99
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Solution
The fourth proportional to 8,745,745.10, 12,069,668.86 and 4,825,481.99 is: 6,659,463.43
Step by Step Solution
- Step 1: Write the proportion equation
8,745,745.10 : 12,069,668.86 = 4,825,481.99 : x - Step 2: Convert to fraction form
8,745,745.10/12,069,668.86 = 4,825,481.99/x - Step 3: Cross multiply
8,745,745.10x = 12,069,668.86 × 4,825,481.99 - Step 4: Simplify right side
8,745,745.10x = 58,241,969,636,781.79 - Step 5: Solve for x
x = 58,241,969,636,781.79/8,745,745.10 - Step 6: Final answer
x = 6,659,463.43
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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.