Finding the Fourth Proportional to 13,067,949.42, 19,589,129.28 and 7,313,493.24
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Solution
The fourth proportional to 13,067,949.42, 19,589,129.28 and 7,313,493.24 is: 10,963,079.21
Step by Step Solution
- Step 1: Write the proportion equation
13,067,949.42 : 19,589,129.28 = 7,313,493.24 : x - Step 2: Convert to fraction form
13,067,949.42/19,589,129.28 = 7,313,493.24/x - Step 3: Cross multiply
13,067,949.42x = 19,589,129.28 × 7,313,493.24 - Step 4: Simplify right side
13,067,949.42x = 143,264,964,566,766.09 - Step 5: Solve for x
x = 143,264,964,566,766.09/13,067,949.42 - Step 6: Final answer
x = 10,963,079.21
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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.