Finding the Fourth Proportional to 29,878,843.96, 41,234,562.06 and 18,278,630.92
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Solution
The fourth proportional to 29,878,843.96, 41,234,562.06 and 18,278,630.92 is: 25,225,585.77
Step by Step Solution
- Step 1: Write the proportion equation
29,878,843.96 : 41,234,562.06 = 18,278,630.92 : x - Step 2: Convert to fraction form
29,878,843.96/41,234,562.06 = 18,278,630.92/x - Step 3: Cross multiply
29,878,843.96x = 41,234,562.06 × 18,278,630.92 - Step 4: Simplify right side
29,878,843.96x = 753,711,341,042,575 - Step 5: Solve for x
x = 753,711,341,042,575/29,878,843.96 - Step 6: Final answer
x = 25,225,585.77
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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.