Finding the Fourth Proportional to 19,647,539.22, 29,474,458.11 and 8,289,660.90
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Solution
The fourth proportional to 19,647,539.22, 29,474,458.11 and 8,289,660.90 is: 12,435,820.09
Step by Step Solution
- Step 1: Write the proportion equation
19,647,539.22 : 29,474,458.11 = 8,289,660.90 : x - Step 2: Convert to fraction form
19,647,539.22/29,474,458.11 = 8,289,660.90/x - Step 3: Cross multiply
19,647,539.22x = 29,474,458.11 × 8,289,660.90 - Step 4: Simplify right side
19,647,539.22x = 244,333,262,943,154.91 - Step 5: Solve for x
x = 244,333,262,943,154.91/19,647,539.22 - Step 6: Final answer
x = 12,435,820.09
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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.