Finding the Fourth Proportional to 11,001,879.20, 16,502,818.80 and 8,167,527.20
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Solution
The fourth proportional to 11,001,879.20, 16,502,818.80 and 8,167,527.20 is: 12,251,290.80
Step by Step Solution
- Step 1: Write the proportion equation
11,001,879.20 : 16,502,818.80 = 8,167,527.20 : x - Step 2: Convert to fraction form
11,001,879.20/16,502,818.80 = 8,167,527.20/x - Step 3: Cross multiply
11,001,879.20x = 16,502,818.80 × 8,167,527.20 - Step 4: Simplify right side
11,001,879.20x = 134,787,221,425,671.38 - Step 5: Solve for x
x = 134,787,221,425,671.38/11,001,879.20 - Step 6: Final answer
x = 12,251,290.80
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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.