Finding the Fourth Proportional to 11,599,782.12, 16,012,163.62 and 7,730,891.56
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Solution
The fourth proportional to 11,599,782.12, 16,012,163.62 and 7,730,891.56 is: 10,671,605.67
Step by Step Solution
- Step 1: Write the proportion equation
11,599,782.12 : 16,012,163.62 = 7,730,891.56 : x - Step 2: Convert to fraction form
11,599,782.12/16,012,163.62 = 7,730,891.56/x - Step 3: Cross multiply
11,599,782.12x = 16,012,163.62 × 7,730,891.56 - Step 4: Simplify right side
11,599,782.12x = 123,788,300,587,197.03 - Step 5: Solve for x
x = 123,788,300,587,197.03/11,599,782.12 - Step 6: Final answer
x = 10,671,605.67
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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.