Finding the Fourth Proportional to 10,306,396.80, 15,462,267.84 and 3,916,759.68
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Solution
The fourth proportional to 10,306,396.80, 15,462,267.84 and 3,916,759.68 is: 5,876,155.21
Step by Step Solution
- Step 1: Write the proportion equation
10,306,396.80 : 15,462,267.84 = 3,916,759.68 : x - Step 2: Convert to fraction form
10,306,396.80/15,462,267.84 = 3,916,759.68/x - Step 3: Cross multiply
10,306,396.80x = 15,462,267.84 × 3,916,759.68 - Step 4: Simplify right side
10,306,396.80x = 60,561,987,237,072.70 - Step 5: Solve for x
x = 60,561,987,237,072.70/10,306,396.80 - Step 6: Final answer
x = 5,876,155.21
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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.