Finding the Fourth Proportional to 10,987,937.69, 16,484,268.79 and 3,702,121.44
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Solution
The fourth proportional to 10,987,937.69, 16,484,268.79 and 3,702,121.44 is: 5,553,978.07
Step by Step Solution
- Step 1: Write the proportion equation
10,987,937.69 : 16,484,268.79 = 3,702,121.44 : x - Step 2: Convert to fraction form
10,987,937.69/16,484,268.79 = 3,702,121.44/x - Step 3: Cross multiply
10,987,937.69x = 16,484,268.79 × 3,702,121.44 - Step 4: Simplify right side
10,987,937.69x = 61,026,764,910,181.85 - Step 5: Solve for x
x = 61,026,764,910,181.85/10,987,937.69 - Step 6: Final answer
x = 5,553,978.07
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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.