Finding the Fourth Proportional to 27,772,284.62, 38,325,324.74 and 15,549,579.02
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Solution
The fourth proportional to 27,772,284.62, 38,325,324.74 and 15,549,579.02 is: 21,458,179.39
Step by Step Solution
- Step 1: Write the proportion equation
27,772,284.62 : 38,325,324.74 = 15,549,579.02 : x - Step 2: Convert to fraction form
27,772,284.62/38,325,324.74 = 15,549,579.02/x - Step 3: Cross multiply
27,772,284.62x = 38,325,324.74 × 15,549,579.02 - Step 4: Simplify right side
27,772,284.62x = 595,942,665,511,791 - Step 5: Solve for x
x = 595,942,665,511,791/27,772,284.62 - Step 6: Final answer
x = 21,458,179.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.