Finding the Fourth Proportional to 8,889,900.36, 12,268,121.40 and 4,815,519.36
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Solution
The fourth proportional to 8,889,900.36, 12,268,121.40 and 4,815,519.36 is: 6,645,448.62
Step by Step Solution
- Step 1: Write the proportion equation
8,889,900.36 : 12,268,121.40 = 4,815,519.36 : x - Step 2: Convert to fraction form
8,889,900.36/12,268,121.40 = 4,815,519.36/x - Step 3: Cross multiply
8,889,900.36x = 12,268,121.40 × 4,815,519.36 - Step 4: Simplify right side
8,889,900.36x = 59,077,376,112,530.31 - Step 5: Solve for x
x = 59,077,376,112,530.31/8,889,900.36 - Step 6: Final answer
x = 6,645,448.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.