Finding the Fourth Proportional to 18,284,617.84, 27,402,863.28 and 10,201,399.44
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Solution
The fourth proportional to 18,284,617.84, 27,402,863.28 and 10,201,399.44 is: 15,288,673.60
Step by Step Solution
- Step 1: Write the proportion equation
18,284,617.84 : 27,402,863.28 = 10,201,399.44 : x - Step 2: Convert to fraction form
18,284,617.84/27,402,863.28 = 10,201,399.44/x - Step 3: Cross multiply
18,284,617.84x = 27,402,863.28 × 10,201,399.44 - Step 4: Simplify right side
18,284,617.84x = 279,547,554,118,988.56 - Step 5: Solve for x
x = 279,547,554,118,988.56/18,284,617.84 - Step 6: Final answer
x = 15,288,673.60
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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.