Finding the Fourth Proportional to 18,108,513.09, 27,165,470.58 and 5,979,258
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Solution
The fourth proportional to 18,108,513.09, 27,165,470.58 and 5,979,258 is: 8,969,778.83
Step by Step Solution
- Step 1: Write the proportion equation
18,108,513.09 : 27,165,470.58 = 5,979,258 : x - Step 2: Convert to fraction form
18,108,513.09/27,165,470.58 = 5,979,258/x - Step 3: Cross multiply
18,108,513.09x = 27,165,470.58 × 5,979,258 - Step 4: Simplify right side
18,108,513.09x = 162,429,357,289,229.62 - Step 5: Solve for x
x = 162,429,357,289,229.62/18,108,513.09 - Step 6: Final answer
x = 8,969,778.83
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1.5x scale
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.