Finding the Fourth Proportional to 25,281,310.68, 34,887,960.36 and 13,678,619.58
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Solution
The fourth proportional to 25,281,310.68, 34,887,960.36 and 13,678,619.58 is: 18,876,360.63
Step by Step Solution
- Step 1: Write the proportion equation
25,281,310.68 : 34,887,960.36 = 13,678,619.58 : x - Step 2: Convert to fraction form
25,281,310.68/34,887,960.36 = 13,678,619.58/x - Step 3: Cross multiply
25,281,310.68x = 34,887,960.36 × 13,678,619.58 - Step 4: Simplify right side
25,281,310.68x = 477,219,137,686,559.81 - Step 5: Solve for x
x = 477,219,137,686,559.81/25,281,310.68 - Step 6: Final answer
x = 18,876,360.63
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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.