Finding the Fourth Proportional to 26,981,565.81, 40,479,518.79 and 8,537,838.44
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Solution
The fourth proportional to 26,981,565.81, 40,479,518.79 and 8,537,838.44 is: 12,809,026.50
Step by Step Solution
- Step 1: Write the proportion equation
26,981,565.81 : 40,479,518.79 = 8,537,838.44 : x - Step 2: Convert to fraction form
26,981,565.81/40,479,518.79 = 8,537,838.44/x - Step 3: Cross multiply
26,981,565.81x = 40,479,518.79 × 8,537,838.44 - Step 4: Simplify right side
26,981,565.81x = 345,607,591,557,964.25 - Step 5: Solve for x
x = 345,607,591,557,964.25/26,981,565.81 - Step 6: Final answer
x = 12,809,026.50
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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.