Finding the Fourth Proportional to 12,299,573.68, 18,433,357.76 and 5,004,531.84
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Solution
The fourth proportional to 12,299,573.68, 18,433,357.76 and 5,004,531.84 is: 7,500,286.45
Step by Step Solution
- Step 1: Write the proportion equation
12,299,573.68 : 18,433,357.76 = 5,004,531.84 : x - Step 2: Convert to fraction form
12,299,573.68/18,433,357.76 = 5,004,531.84/x - Step 3: Cross multiply
12,299,573.68x = 18,433,357.76 × 5,004,531.84 - Step 4: Simplify right side
12,299,573.68x = 92,250,325,828,031.08 - Step 5: Solve for x
x = 92,250,325,828,031.08/12,299,573.68 - Step 6: Final answer
x = 7,500,286.45
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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.