Finding the Fourth Proportional to 8,178,694.74, 12,268,040.49 and 2,195,062.74
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Solution
The fourth proportional to 8,178,694.74, 12,268,040.49 and 2,195,062.74 is: 3,292,593.68
Step by Step Solution
- Step 1: Write the proportion equation
8,178,694.74 : 12,268,040.49 = 2,195,062.74 : x - Step 2: Convert to fraction form
8,178,694.74/12,268,040.49 = 2,195,062.74/x - Step 3: Cross multiply
8,178,694.74x = 12,268,040.49 × 2,195,062.74 - Step 4: Simplify right side
8,178,694.74x = 26,929,118,572,410.35 - Step 5: Solve for x
x = 26,929,118,572,410.35/8,178,694.74 - Step 6: Final answer
x = 3,292,593.68
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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.