Finding the Fourth Proportional to 10,267,596.12, 14,169,449.73 and 5,621,302.74
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Solution
The fourth proportional to 10,267,596.12, 14,169,449.73 and 5,621,302.74 is: 7,757,489.26
Step by Step Solution
- Step 1: Write the proportion equation
10,267,596.12 : 14,169,449.73 = 5,621,302.74 : x - Step 2: Convert to fraction form
10,267,596.12/14,169,449.73 = 5,621,302.74/x - Step 3: Cross multiply
10,267,596.12x = 14,169,449.73 × 5,621,302.74 - Step 4: Simplify right side
10,267,596.12x = 79,650,766,591,541.27 - Step 5: Solve for x
x = 79,650,766,591,541.27/10,267,596.12 - Step 6: Final answer
x = 7,757,489.26
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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.