Finding the Fourth Proportional to 27,306,598.08, 37,682,990.40 and 15,083,455.08
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Solution
The fourth proportional to 27,306,598.08, 37,682,990.40 and 15,083,455.08 is: 20,815,104.51
Step by Step Solution
- Step 1: Write the proportion equation
27,306,598.08 : 37,682,990.40 = 15,083,455.08 : x - Step 2: Convert to fraction form
27,306,598.08/37,682,990.40 = 15,083,455.08/x - Step 3: Cross multiply
27,306,598.08x = 37,682,990.40 × 15,083,455.08 - Step 4: Simplify right side
27,306,598.08x = 568,389,692,978,471.25 - Step 5: Solve for x
x = 568,389,692,978,471.25/27,306,598.08 - Step 6: Final answer
x = 20,815,104.51
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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.