Finding the Fourth Proportional to 8,145,049.20, 12,220,231.08 and 3,884,663.76
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Solution
The fourth proportional to 8,145,049.20, 12,220,231.08 and 3,884,663.76 is: 5,828,262.99
Step by Step Solution
- Step 1: Write the proportion equation
8,145,049.20 : 12,220,231.08 = 3,884,663.76 : x - Step 2: Convert to fraction form
8,145,049.20/12,220,231.08 = 3,884,663.76/x - Step 3: Cross multiply
8,145,049.20x = 12,220,231.08 × 3,884,663.76 - Step 4: Simplify right side
8,145,049.20x = 47,471,488,815,301.66 - Step 5: Solve for x
x = 47,471,488,815,301.66/8,145,049.20 - Step 6: Final answer
x = 5,828,262.99
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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.