Finding the Fourth Proportional to 14,675,720.40, 20,252,557.76 and 8,149,329.84
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Solution
The fourth proportional to 14,675,720.40, 20,252,557.76 and 8,149,329.84 is: 11,246,110.50
Step by Step Solution
- Step 1: Write the proportion equation
14,675,720.40 : 20,252,557.76 = 8,149,329.84 : x - Step 2: Convert to fraction form
14,675,720.40/20,252,557.76 = 8,149,329.84/x - Step 3: Cross multiply
14,675,720.40x = 20,252,557.76 × 8,149,329.84 - Step 4: Simplify right side
14,675,720.40x = 165,044,773,289,891.56 - Step 5: Solve for x
x = 165,044,773,289,891.56/14,675,720.40 - Step 6: Final answer
x = 11,246,110.50
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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.