Finding the Fourth Proportional to 19,647,519.90, 29,438,699.43 and 11,947,873.98
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Solution
The fourth proportional to 19,647,519.90, 29,438,699.43 and 11,947,873.98 is: 17,901,998.46
Step by Step Solution
- Step 1: Write the proportion equation
19,647,519.90 : 29,438,699.43 = 11,947,873.98 : x - Step 2: Convert to fraction form
19,647,519.90/29,438,699.43 = 11,947,873.98/x - Step 3: Cross multiply
19,647,519.90x = 29,438,699.43 × 11,947,873.98 - Step 4: Simplify right side
19,647,519.90x = 351,729,870,924,737.81 - Step 5: Solve for x
x = 351,729,870,924,737.81/19,647,519.90 - Step 6: Final answer
x = 17,901,998.46
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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.