Finding the Fourth Proportional to 6,476,355.95, 9,726,112.60 and 6,215,990.42
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Solution
The fourth proportional to 6,476,355.95, 9,726,112.60 and 6,215,990.42 is: 9,335,098.82
Step by Step Solution
- Step 1: Write the proportion equation
6,476,355.95 : 9,726,112.60 = 6,215,990.42 : x - Step 2: Convert to fraction form
6,476,355.95/9,726,112.60 = 6,215,990.42/x - Step 3: Cross multiply
6,476,355.95x = 9,726,112.60 × 6,215,990.42 - Step 4: Simplify right side
6,476,355.95x = 60,457,422,754,216.60 - Step 5: Solve for x
x = 60,457,422,754,216.60/6,476,355.95 - Step 6: Final answer
x = 9,335,098.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.