Finding the Fourth Proportional to 7,124,640.62, 10,661,733.75 and 4,430,234.66
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Solution
The fourth proportional to 7,124,640.62, 10,661,733.75 and 4,430,234.66 is: 6,629,665.26
Step by Step Solution
- Step 1: Write the proportion equation
7,124,640.62 : 10,661,733.75 = 4,430,234.66 : x - Step 2: Convert to fraction form
7,124,640.62/10,661,733.75 = 4,430,234.66/x - Step 3: Cross multiply
7,124,640.62x = 10,661,733.75 × 4,430,234.66 - Step 4: Simplify right side
7,124,640.62x = 47,233,982,394,941.77 - Step 5: Solve for x
x = 47,233,982,394,941.77/7,124,640.62 - Step 6: Final answer
x = 6,629,665.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.