Finding the Fourth Proportional to 14,284,675.98, 19,701,451.80 and 9,394,919.28
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Solution
The fourth proportional to 14,284,675.98, 19,701,451.80 and 9,394,919.28 is: 12,957,490.22
Step by Step Solution
- Step 1: Write the proportion equation
14,284,675.98 : 19,701,451.80 = 9,394,919.28 : x - Step 2: Convert to fraction form
14,284,675.98/19,701,451.80 = 9,394,919.28/x - Step 3: Cross multiply
14,284,675.98x = 19,701,451.80 × 9,394,919.28 - Step 4: Simplify right side
14,284,675.98x = 185,093,549,359,810.69 - Step 5: Solve for x
x = 185,093,549,359,810.69/14,284,675.98 - Step 6: Final answer
x = 12,957,490.22
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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.