Finding the Fourth Proportional to 5,909,822.70, 8,864,734.05 and 5,163,326.70
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Solution
The fourth proportional to 5,909,822.70, 8,864,734.05 and 5,163,326.70 is: 7,744,990.05
Step by Step Solution
- Step 1: Write the proportion equation
5,909,822.70 : 8,864,734.05 = 5,163,326.70 : x - Step 2: Convert to fraction form
5,909,822.70/8,864,734.05 = 5,163,326.70/x - Step 3: Cross multiply
5,909,822.70x = 8,864,734.05 × 5,163,326.70 - Step 4: Simplify right side
5,909,822.70x = 45,771,518,008,764.14 - Step 5: Solve for x
x = 45,771,518,008,764.14/5,909,822.70 - Step 6: Final answer
x = 7,744,990.05
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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.