Finding the Fourth Proportional to 7,338,748.30, 11,008,122.45 and 6,252,246.70
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Solution
The fourth proportional to 7,338,748.30, 11,008,122.45 and 6,252,246.70 is: 9,378,370.05
Step by Step Solution
- Step 1: Write the proportion equation
7,338,748.30 : 11,008,122.45 = 6,252,246.70 : x - Step 2: Convert to fraction form
7,338,748.30/11,008,122.45 = 6,252,246.70/x - Step 3: Cross multiply
7,338,748.30x = 11,008,122.45 × 6,252,246.70 - Step 4: Simplify right side
7,338,748.30x = 68,825,497,261,208.41 - Step 5: Solve for x
x = 68,825,497,261,208.41/7,338,748.30 - Step 6: Final answer
x = 9,378,370.05
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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.