Finding the Fourth Proportional to 14,535,085.12, 20,052,115.25 and 8,651,419.98
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Solution
The fourth proportional to 14,535,085.12, 20,052,115.25 and 8,651,419.98 is: 11,935,208.43
Step by Step Solution
- Step 1: Write the proportion equation
14,535,085.12 : 20,052,115.25 = 8,651,419.98 : x - Step 2: Convert to fraction form
14,535,085.12/20,052,115.25 = 8,651,419.98/x - Step 3: Cross multiply
14,535,085.12x = 20,052,115.25 × 8,651,419.98 - Step 4: Simplify right side
14,535,085.12x = 173,479,270,504,298.44 - Step 5: Solve for x
x = 173,479,270,504,298.44/14,535,085.12 - Step 6: Final answer
x = 11,935,208.43
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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.