Finding the Fourth Proportional to 10,320,828.26, 15,481,291.94 and 3,132,424.54
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Solution
The fourth proportional to 10,320,828.26, 15,481,291.94 and 3,132,424.54 is: 4,698,651.84
Step by Step Solution
- Step 1: Write the proportion equation
10,320,828.26 : 15,481,291.94 = 3,132,424.54 : x - Step 2: Convert to fraction form
10,320,828.26/15,481,291.94 = 3,132,424.54/x - Step 3: Cross multiply
10,320,828.26x = 15,481,291.94 × 3,132,424.54 - Step 4: Simplify right side
10,320,828.26x = 48,493,978,690,691.63 - Step 5: Solve for x
x = 48,493,978,690,691.63/10,320,828.26 - Step 6: Final answer
x = 4,698,651.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.