Finding the Fourth Proportional to 7,446,178.63, 11,162,870.94 and 2,587,853.91
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Solution
The fourth proportional to 7,446,178.63, 11,162,870.94 and 2,587,853.91 is: 3,879,557.64
Step by Step Solution
- Step 1: Write the proportion equation
7,446,178.63 : 11,162,870.94 = 2,587,853.91 : x - Step 2: Convert to fraction form
7,446,178.63/11,162,870.94 = 2,587,853.91/x - Step 3: Cross multiply
7,446,178.63x = 11,162,870.94 × 2,587,853.91 - Step 4: Simplify right side
7,446,178.63x = 28,887,879,208,904.38 - Step 5: Solve for x
x = 28,887,879,208,904.38/7,446,178.63 - Step 6: Final answer
x = 3,879,557.64
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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.