Finding the Fourth Proportional to 18,580,839.48, 27,871,539.38 and 6,450,688.13
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Solution
The fourth proportional to 18,580,839.48, 27,871,539.38 and 6,450,688.13 is: 9,676,129.45
Step by Step Solution
- Step 1: Write the proportion equation
18,580,839.48 : 27,871,539.38 = 6,450,688.13 : x - Step 2: Convert to fraction form
18,580,839.48/27,871,539.38 = 6,450,688.13/x - Step 3: Cross multiply
18,580,839.48x = 27,871,539.38 × 6,450,688.13 - Step 4: Simplify right side
18,580,839.48x = 179,790,608,095,972.50 - Step 5: Solve for x
x = 179,790,608,095,972.50/18,580,839.48 - Step 6: Final answer
x = 9,676,129.45
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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.