Finding the Fourth Proportional to 27,582,079.26, 38,063,267.57 and 15,986,368.79
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Solution
The fourth proportional to 27,582,079.26, 38,063,267.57 and 15,986,368.79 is: 22,061,187.87
Step by Step Solution
- Step 1: Write the proportion equation
27,582,079.26 : 38,063,267.57 = 15,986,368.79 : x - Step 2: Convert to fraction form
27,582,079.26/38,063,267.57 = 15,986,368.79/x - Step 3: Cross multiply
27,582,079.26x = 38,063,267.57 × 15,986,368.79 - Step 4: Simplify right side
27,582,079.26x = 608,493,432,456,218.88 - Step 5: Solve for x
x = 608,493,432,456,218.88/27,582,079.26 - Step 6: Final answer
x = 22,061,187.87
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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.