Finding the Fourth Proportional to 7,538,184.61, 11,278,742.94 and 4,465,824.84
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Solution
The fourth proportional to 7,538,184.61, 11,278,742.94 and 4,465,824.84 is: 6,681,832.96
Step by Step Solution
- Step 1: Write the proportion equation
7,538,184.61 : 11,278,742.94 = 4,465,824.84 : x - Step 2: Convert to fraction form
7,538,184.61/11,278,742.94 = 4,465,824.84/x - Step 3: Cross multiply
7,538,184.61x = 11,278,742.94 × 4,465,824.84 - Step 4: Simplify right side
7,538,184.61x = 50,368,890,385,426.62 - Step 5: Solve for x
x = 50,368,890,385,426.62/7,538,184.61 - Step 6: Final answer
x = 6,681,832.96
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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.