Finding the Fourth Proportional to 8,474,429.92, 12,707,649.36 and 3,079,276
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Solution
The fourth proportional to 8,474,429.92, 12,707,649.36 and 3,079,276 is: 4,617,462.18
Step by Step Solution
- Step 1: Write the proportion equation
8,474,429.92 : 12,707,649.36 = 3,079,276 : x - Step 2: Convert to fraction form
8,474,429.92/12,707,649.36 = 3,079,276/x - Step 3: Cross multiply
8,474,429.92x = 12,707,649.36 × 3,079,276 - Step 4: Simplify right side
8,474,429.92x = 39,130,359,690,663.36 - Step 5: Solve for x
x = 39,130,359,690,663.36/8,474,429.92 - Step 6: Final answer
x = 4,617,462.18
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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.