Finding the Fourth Proportional to 10,901,033.68, 15,043,237.05 and 5,939,515.80
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Solution
The fourth proportional to 10,901,033.68, 15,043,237.05 and 5,939,515.80 is: 8,196,428.59
Step by Step Solution
- Step 1: Write the proportion equation
10,901,033.68 : 15,043,237.05 = 5,939,515.80 : x - Step 2: Convert to fraction form
10,901,033.68/15,043,237.05 = 5,939,515.80/x - Step 3: Cross multiply
10,901,033.68x = 15,043,237.05 × 5,939,515.80 - Step 4: Simplify right side
10,901,033.68x = 89,349,544,149,611.62 - Step 5: Solve for x
x = 89,349,544,149,611.62/10,901,033.68 - Step 6: Final answer
x = 8,196,428.59
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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.