Finding the Fourth Proportional to 11,628,169.61, 16,046,874.09 and 6,472,749.05
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Solution
The fourth proportional to 11,628,169.61, 16,046,874.09 and 6,472,749.05 is: 8,932,393.70
Step by Step Solution
- Step 1: Write the proportion equation
11,628,169.61 : 16,046,874.09 = 6,472,749.05 : x - Step 2: Convert to fraction form
11,628,169.61/16,046,874.09 = 6,472,749.05/x - Step 3: Cross multiply
11,628,169.61x = 16,046,874.09 × 6,472,749.05 - Step 4: Simplify right side
11,628,169.61x = 103,867,388,908,919 - Step 5: Solve for x
x = 103,867,388,908,919/11,628,169.61 - Step 6: Final answer
x = 8,932,393.70
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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.