Finding the Fourth Proportional to 27,220,357.69, 40,838,508.09 and 8,051,625.21
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Solution
The fourth proportional to 27,220,357.69, 40,838,508.09 and 8,051,625.21 is: 12,079,795.76
Step by Step Solution
- Step 1: Write the proportion equation
27,220,357.69 : 40,838,508.09 = 8,051,625.21 : x - Step 2: Convert to fraction form
27,220,357.69/40,838,508.09 = 8,051,625.21/x - Step 3: Cross multiply
27,220,357.69x = 40,838,508.09 × 8,051,625.21 - Step 4: Simplify right side
27,220,357.69x = 328,816,361,276,233 - Step 5: Solve for x
x = 328,816,361,276,233/27,220,357.69 - Step 6: Final answer
x = 12,079,795.76
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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.