Finding the Fourth Proportional to 9,562,228.09, 13,195,489.64 and 5,211,220.75
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Solution
The fourth proportional to 9,562,228.09, 13,195,489.64 and 5,211,220.75 is: 7,191,274.75
Step by Step Solution
- Step 1: Write the proportion equation
9,562,228.09 : 13,195,489.64 = 5,211,220.75 : x - Step 2: Convert to fraction form
9,562,228.09/13,195,489.64 = 5,211,220.75/x - Step 3: Cross multiply
9,562,228.09x = 13,195,489.64 × 5,211,220.75 - Step 4: Simplify right side
9,562,228.09x = 68,764,609,448,216.99 - Step 5: Solve for x
x = 68,764,609,448,216.99/9,562,228.09 - Step 6: Final answer
x = 7,191,274.75
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1.5x scale
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.