Finding the Fourth Proportional to 7,844,965.68, 10,801,026.36 and 6,694,428.72
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Solution
The fourth proportional to 7,844,965.68, 10,801,026.36 and 6,694,428.72 is: 9,216,955.69
Step by Step Solution
- Step 1: Write the proportion equation
7,844,965.68 : 10,801,026.36 = 6,694,428.72 : x - Step 2: Convert to fraction form
7,844,965.68/10,801,026.36 = 6,694,428.72/x - Step 3: Cross multiply
7,844,965.68x = 10,801,026.36 × 6,694,428.72 - Step 4: Simplify right side
7,844,965.68x = 72,306,701,069,861.05 - Step 5: Solve for x
x = 72,306,701,069,861.05/7,844,965.68 - Step 6: Final answer
x = 9,216,955.69
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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.