Finding the Fourth Proportional to 10,660,331.64, 14,711,257.44 and 5,765,553.60
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Solution
The fourth proportional to 10,660,331.64, 14,711,257.44 and 5,765,553.60 is: 7,956,463.85
Step by Step Solution
- Step 1: Write the proportion equation
10,660,331.64 : 14,711,257.44 = 5,765,553.60 : x - Step 2: Convert to fraction form
10,660,331.64/14,711,257.44 = 5,765,553.60/x - Step 3: Cross multiply
10,660,331.64x = 14,711,257.44 × 5,765,553.60 - Step 4: Simplify right side
10,660,331.64x = 84,818,543,293,718.78 - Step 5: Solve for x
x = 84,818,543,293,718.78/10,660,331.64 - Step 6: Final answer
x = 7,956,463.85
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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.