Finding the Fourth Proportional to 6,913,087.88, 9,537,400.50 and 4,330,272.20
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Solution
The fourth proportional to 6,913,087.88, 9,537,400.50 and 4,330,272.20 is: 5,974,108.96
Step by Step Solution
- Step 1: Write the proportion equation
6,913,087.88 : 9,537,400.50 = 4,330,272.20 : x - Step 2: Convert to fraction form
6,913,087.88/9,537,400.50 = 4,330,272.20/x - Step 3: Cross multiply
6,913,087.88x = 9,537,400.50 × 4,330,272.20 - Step 4: Simplify right side
6,913,087.88x = 41,299,540,245,416.10 - Step 5: Solve for x
x = 41,299,540,245,416.10/6,913,087.88 - Step 6: Final answer
x = 5,974,108.96
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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.