Finding the Fourth Proportional to 7,691,405.76, 11,536,227.36 and 2,012,178.24
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Solution
The fourth proportional to 7,691,405.76, 11,536,227.36 and 2,012,178.24 is: 3,018,036.80
Step by Step Solution
- Step 1: Write the proportion equation
7,691,405.76 : 11,536,227.36 = 2,012,178.24 : x - Step 2: Convert to fraction form
7,691,405.76/11,536,227.36 = 2,012,178.24/x - Step 3: Cross multiply
7,691,405.76x = 11,536,227.36 × 2,012,178.24 - Step 4: Simplify right side
7,691,405.76x = 23,212,945,665,484.64 - Step 5: Solve for x
x = 23,212,945,665,484.64/7,691,405.76 - Step 6: Final answer
x = 3,018,036.80
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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.