Finding the Fourth Proportional to 10,773,181.70, 14,863,106.35 and 8,293,160.74
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Solution
The fourth proportional to 10,773,181.70, 14,863,106.35 and 8,293,160.74 is: 11,441,571.63
Step by Step Solution
- Step 1: Write the proportion equation
10,773,181.70 : 14,863,106.35 = 8,293,160.74 : x - Step 2: Convert to fraction form
10,773,181.70/14,863,106.35 = 8,293,160.74/x - Step 3: Cross multiply
10,773,181.70x = 14,863,106.35 × 8,293,160.74 - Step 4: Simplify right side
10,773,181.70x = 123,262,130,056,264.70 - Step 5: Solve for x
x = 123,262,130,056,264.70/10,773,181.70 - Step 6: Final answer
x = 11,441,571.63
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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.