Finding the Fourth Proportional to 10,279,278.09, 15,418,951.74 and 2,602,919.25
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Solution
The fourth proportional to 10,279,278.09, 15,418,951.74 and 2,602,919.25 is: 3,904,387.64
Step by Step Solution
- Step 1: Write the proportion equation
10,279,278.09 : 15,418,951.74 = 2,602,919.25 : x - Step 2: Convert to fraction form
10,279,278.09/15,418,951.74 = 2,602,919.25/x - Step 3: Cross multiply
10,279,278.09x = 15,418,951.74 × 2,602,919.25 - Step 4: Simplify right side
10,279,278.09x = 40,134,286,298,866.99 - Step 5: Solve for x
x = 40,134,286,298,866.99/10,279,278.09 - Step 6: Final answer
x = 3,904,387.64
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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.