Finding the Fourth Proportional to 11,603,549.08, 16,012,782.30 and 6,446,799.94
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Solution
The fourth proportional to 11,603,549.08, 16,012,782.30 and 6,446,799.94 is: 8,896,519.79
Step by Step Solution
- Step 1: Write the proportion equation
11,603,549.08 : 16,012,782.30 = 6,446,799.94 : x - Step 2: Convert to fraction form
11,603,549.08/16,012,782.30 = 6,446,799.94/x - Step 3: Cross multiply
11,603,549.08x = 16,012,782.30 × 6,446,799.94 - Step 4: Simplify right side
11,603,549.08x = 103,231,203,970,873.08 - Step 5: Solve for x
x = 103,231,203,970,873.08/11,603,549.08 - Step 6: Final answer
x = 8,896,519.79
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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.