Finding the Fourth Proportional to 10,543,979.76, 14,553,785.39 and 6,134,742.53
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Solution
The fourth proportional to 10,543,979.76, 14,553,785.39 and 6,134,742.53 is: 8,467,744.46
Step by Step Solution
- Step 1: Write the proportion equation
10,543,979.76 : 14,553,785.39 = 6,134,742.53 : x - Step 2: Convert to fraction form
10,543,979.76/14,553,785.39 = 6,134,742.53/x - Step 3: Cross multiply
10,543,979.76x = 14,553,785.39 × 6,134,742.53 - Step 4: Simplify right side
10,543,979.76x = 89,283,726,173,851.92 - Step 5: Solve for x
x = 89,283,726,173,851.92/10,543,979.76 - Step 6: Final answer
x = 8,467,744.46
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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.