Finding the Fourth Proportional to 11,769,309.68, 16,248,893.28 and 9,331,766.96
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Solution
The fourth proportional to 11,769,309.68, 16,248,893.28 and 9,331,766.96 is: 12,883,583.62
Step by Step Solution
- Step 1: Write the proportion equation
11,769,309.68 : 16,248,893.28 = 9,331,766.96 : x - Step 2: Convert to fraction form
11,769,309.68/16,248,893.28 = 9,331,766.96/x - Step 3: Cross multiply
11,769,309.68x = 16,248,893.28 × 9,331,766.96 - Step 4: Simplify right side
11,769,309.68x = 151,630,885,446,870.03 - Step 5: Solve for x
x = 151,630,885,446,870.03/11,769,309.68 - Step 6: Final answer
x = 12,883,583.62
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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.