Finding the Fourth Proportional to 11,972,118.74, 16,521,523.22 and 6,465,493.06
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Solution
The fourth proportional to 11,972,118.74, 16,521,523.22 and 6,465,493.06 is: 8,922,380.08
Step by Step Solution
- Step 1: Write the proportion equation
11,972,118.74 : 16,521,523.22 = 6,465,493.06 : x - Step 2: Convert to fraction form
11,972,118.74/16,521,523.22 = 6,465,493.06/x - Step 3: Cross multiply
11,972,118.74x = 16,521,523.22 × 6,465,493.06 - Step 4: Simplify right side
11,972,118.74x = 106,819,793,694,398.78 - Step 5: Solve for x
x = 106,819,793,694,398.78/11,972,118.74 - Step 6: Final answer
x = 8,922,380.08
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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.