Finding the Fourth Proportional to 18,034,327.84, 26,987,635.12 and 11,214,112.72
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Solution
The fourth proportional to 18,034,327.84, 26,987,635.12 and 11,214,112.72 is: 16,781,461.72
Step by Step Solution
- Step 1: Write the proportion equation
18,034,327.84 : 26,987,635.12 = 11,214,112.72 : x - Step 2: Convert to fraction form
18,034,327.84/26,987,635.12 = 11,214,112.72/x - Step 3: Cross multiply
18,034,327.84x = 26,987,635.12 × 11,214,112.72 - Step 4: Simplify right side
18,034,327.84x = 302,642,382,281,910.75 - Step 5: Solve for x
x = 302,642,382,281,910.75/18,034,327.84 - Step 6: Final answer
x = 16,781,461.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.