Finding the Fourth Proportional to 26,861,738.40, 40,277,833.20 and 18,351,684
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Solution
The fourth proportional to 26,861,738.40, 40,277,833.20 and 18,351,684 is: 27,517,432.27
Step by Step Solution
- Step 1: Write the proportion equation
26,861,738.40 : 40,277,833.20 = 18,351,684 : x - Step 2: Convert to fraction form
26,861,738.40/40,277,833.20 = 18,351,684/x - Step 3: Cross multiply
26,861,738.40x = 40,277,833.20 × 18,351,684 - Step 4: Simplify right side
26,861,738.40x = 739,166,067,091,108.88 - Step 5: Solve for x
x = 739,166,067,091,108.88/26,861,738.40 - Step 6: Final answer
x = 27,517,432.27
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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.