Finding the Fourth Proportional to 14,613,634.55, 20,166,317.97 and 8,087,539.07
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Solution
The fourth proportional to 14,613,634.55, 20,166,317.97 and 8,087,539.07 is: 11,160,528.47
Step by Step Solution
- Step 1: Write the proportion equation
14,613,634.55 : 20,166,317.97 = 8,087,539.07 : x - Step 2: Convert to fraction form
14,613,634.55/20,166,317.97 = 8,087,539.07/x - Step 3: Cross multiply
14,613,634.55x = 20,166,317.97 × 8,087,539.07 - Step 4: Simplify right side
14,613,634.55x = 163,095,884,480,418.09 - Step 5: Solve for x
x = 163,095,884,480,418.09/14,613,634.55 - Step 6: Final answer
x = 11,160,528.47
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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.