Finding the Fourth Proportional to 8,229,140.70, 12,343,711.05 and 2,549,939.10
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Solution
The fourth proportional to 8,229,140.70, 12,343,711.05 and 2,549,939.10 is: 3,824,908.65
Step by Step Solution
- Step 1: Write the proportion equation
8,229,140.70 : 12,343,711.05 = 2,549,939.10 : x - Step 2: Convert to fraction form
8,229,140.70/12,343,711.05 = 2,549,939.10/x - Step 3: Cross multiply
8,229,140.70x = 12,343,711.05 × 2,549,939.10 - Step 4: Simplify right side
8,229,140.70x = 31,475,711,445,497.06 - Step 5: Solve for x
x = 31,475,711,445,497.06/8,229,140.70 - Step 6: Final answer
x = 3,824,908.65
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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.