Finding the Fourth Proportional to 11,617,990.56, 16,033,269.33 and 6,461,724.96
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Solution
The fourth proportional to 11,617,990.56, 16,033,269.33 and 6,461,724.96 is: 8,917,426.48
Step by Step Solution
- Step 1: Write the proportion equation
11,617,990.56 : 16,033,269.33 = 6,461,724.96 : x - Step 2: Convert to fraction form
11,617,990.56/16,033,269.33 = 6,461,724.96/x - Step 3: Cross multiply
11,617,990.56x = 16,033,269.33 × 6,461,724.96 - Step 4: Simplify right side
11,617,990.56x = 103,602,576,620,063.48 - Step 5: Solve for x
x = 103,602,576,620,063.48/11,617,990.56 - Step 6: Final answer
x = 8,917,426.48
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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.