Finding the Fourth Proportional to 18,580,839.54, 27,871,539.47 and 6,450,688.19
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Solution
The fourth proportional to 18,580,839.54, 27,871,539.47 and 6,450,688.19 is: 9,676,129.55
Step by Step Solution
- Step 1: Write the proportion equation
18,580,839.54 : 27,871,539.47 = 6,450,688.19 : x - Step 2: Convert to fraction form
18,580,839.54/27,871,539.47 = 6,450,688.19/x - Step 3: Cross multiply
18,580,839.54x = 27,871,539.47 × 6,450,688.19 - Step 4: Simplify right side
18,580,839.54x = 179,790,610,496,247.88 - Step 5: Solve for x
x = 179,790,610,496,247.88/18,580,839.54 - Step 6: Final answer
x = 9,676,129.55
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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.