Finding the Fourth Proportional to 10,244,990.17, 14,138,371.62 and 5,661,606.79
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Solution
The fourth proportional to 10,244,990.17, 14,138,371.62 and 5,661,606.79 is: 7,813,174.96
Step by Step Solution
- Step 1: Write the proportion equation
10,244,990.17 : 14,138,371.62 = 5,661,606.79 : x - Step 2: Convert to fraction form
10,244,990.17/14,138,371.62 = 5,661,606.79/x - Step 3: Cross multiply
10,244,990.17x = 14,138,371.62 × 5,661,606.79 - Step 4: Simplify right side
10,244,990.17x = 80,045,900,664,335.41 - Step 5: Solve for x
x = 80,045,900,664,335.41/10,244,990.17 - Step 6: Final answer
x = 7,813,174.96
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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.