Finding the Fourth Proportional to 18,018,361.09, 27,031,018.97 and 5,884,562.51
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Solution
The fourth proportional to 18,018,361.09, 27,031,018.97 and 5,884,562.51 is: 8,827,979.42
Step by Step Solution
- Step 1: Write the proportion equation
18,018,361.09 : 27,031,018.97 = 5,884,562.51 : x - Step 2: Convert to fraction form
18,018,361.09/27,031,018.97 = 5,884,562.51/x - Step 3: Cross multiply
18,018,361.09x = 27,031,018.97 × 5,884,562.51 - Step 4: Simplify right side
18,018,361.09x = 159,065,720,837,960.81 - Step 5: Solve for x
x = 159,065,720,837,960.81/18,018,361.09 - Step 6: Final answer
x = 8,827,979.42
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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.