Finding the Fourth Proportional to 7,135,583.07, 9,847,118.08 and 4,235,555.46
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Solution
The fourth proportional to 7,135,583.07, 9,847,118.08 and 4,235,555.46 is: 5,845,074.52
Step by Step Solution
- Step 1: Write the proportion equation
7,135,583.07 : 9,847,118.08 = 4,235,555.46 : x - Step 2: Convert to fraction form
7,135,583.07/9,847,118.08 = 4,235,555.46/x - Step 3: Cross multiply
7,135,583.07x = 9,847,118.08 × 4,235,555.46 - Step 4: Simplify right side
7,135,583.07x = 41,708,014,747,752.31 - Step 5: Solve for x
x = 41,708,014,747,752.31/7,135,583.07 - Step 6: Final answer
x = 5,845,074.52
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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.