Finding the Fourth Proportional to 10,990,770.81, 15,169,079.24 and 6,097,569.32
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Solution
The fourth proportional to 10,990,770.81, 15,169,079.24 and 6,097,569.32 is: 8,415,652.89
Step by Step Solution
- Step 1: Write the proportion equation
10,990,770.81 : 15,169,079.24 = 6,097,569.32 : x - Step 2: Convert to fraction form
10,990,770.81/15,169,079.24 = 6,097,569.32/x - Step 3: Cross multiply
10,990,770.81x = 15,169,079.24 × 6,097,569.32 - Step 4: Simplify right side
10,990,770.81x = 92,494,512,080,139.67 - Step 5: Solve for x
x = 92,494,512,080,139.67/10,990,770.81 - Step 6: Final answer
x = 8,415,652.89
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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.