Finding the Fourth Proportional to 18,400,833.36, 27,565,874.64 and 10,289,206.44
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Solution
The fourth proportional to 18,400,833.36, 27,565,874.64 and 10,289,206.44 is: 15,414,028.77
Step by Step Solution
- Step 1: Write the proportion equation
18,400,833.36 : 27,565,874.64 = 10,289,206.44 : x - Step 2: Convert to fraction form
18,400,833.36/27,565,874.64 = 10,289,206.44/x - Step 3: Cross multiply
18,400,833.36x = 27,565,874.64 × 10,289,206.44 - Step 4: Simplify right side
18,400,833.36x = 283,630,974,870,120.69 - Step 5: Solve for x
x = 283,630,974,870,120.69/18,400,833.36 - Step 6: Final answer
x = 15,414,028.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.