Finding the Fourth Proportional to 7,536,877.96, 11,305,323.15 and 1,857,102.88
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Solution
The fourth proportional to 7,536,877.96, 11,305,323.15 and 1,857,102.88 is: 2,785,655.85
Step by Step Solution
- Step 1: Write the proportion equation
7,536,877.96 : 11,305,323.15 = 1,857,102.88 : x - Step 2: Convert to fraction form
7,536,877.96/11,305,323.15 = 1,857,102.88/x - Step 3: Cross multiply
7,536,877.96x = 11,305,323.15 × 1,857,102.88 - Step 4: Simplify right side
7,536,877.96x = 20,995,148,181,195.67 - Step 5: Solve for x
x = 20,995,148,181,195.67/7,536,877.96 - Step 6: Final answer
x = 2,785,655.85
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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.