Finding the Fourth Proportional to 11,250,326.94, 15,515,246.43 and 7,381,378.14
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Solution
The fourth proportional to 11,250,326.94, 15,515,246.43 and 7,381,378.14 is: 10,179,606.46
Step by Step Solution
- Step 1: Write the proportion equation
11,250,326.94 : 15,515,246.43 = 7,381,378.14 : x - Step 2: Convert to fraction form
11,250,326.94/15,515,246.43 = 7,381,378.14/x - Step 3: Cross multiply
11,250,326.94x = 15,515,246.43 × 7,381,378.14 - Step 4: Simplify right side
11,250,326.94x = 114,523,900,835,115.03 - Step 5: Solve for x
x = 114,523,900,835,115.03/11,250,326.94 - Step 6: Final answer
x = 10,179,606.46
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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.