Finding the Fourth Proportional to 27,582,179.09, 38,063,405.30 and 15,986,468.66
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Solution
The fourth proportional to 27,582,179.09, 38,063,405.30 and 15,986,468.66 is: 22,061,325.68
Step by Step Solution
- Step 1: Write the proportion equation
27,582,179.09 : 38,063,405.30 = 15,986,468.66 : x - Step 2: Convert to fraction form
27,582,179.09/38,063,405.30 = 15,986,468.66/x - Step 3: Cross multiply
27,582,179.09x = 38,063,405.30 × 15,986,468.66 - Step 4: Simplify right side
27,582,179.09x = 608,499,435,651,078.50 - Step 5: Solve for x
x = 608,499,435,651,078.50/27,582,179.09 - Step 6: Final answer
x = 22,061,325.68
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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.