Finding the Fourth Proportional to 8,783,371.80, 12,121,431.93 and 4,863,127.92
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Solution
The fourth proportional to 8,783,371.80, 12,121,431.93 and 4,863,127.92 is: 6,711,326.29
Step by Step Solution
- Step 1: Write the proportion equation
8,783,371.80 : 12,121,431.93 = 4,863,127.92 : x - Step 2: Convert to fraction form
8,783,371.80/12,121,431.93 = 4,863,127.92/x - Step 3: Cross multiply
8,783,371.80x = 12,121,431.93 × 4,863,127.92 - Step 4: Simplify right side
8,783,371.80x = 58,948,074,049,162.48 - Step 5: Solve for x
x = 58,948,074,049,162.48/8,783,371.80 - Step 6: Final answer
x = 6,711,326.29
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1.5x scale
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.