Finding the Fourth Proportional to 11,331,074.56, 16,996,565.76 and 4,599,431.68
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Solution
The fourth proportional to 11,331,074.56, 16,996,565.76 and 4,599,431.68 is: 6,899,128.82
Step by Step Solution
- Step 1: Write the proportion equation
11,331,074.56 : 16,996,565.76 = 4,599,431.68 : x - Step 2: Convert to fraction form
11,331,074.56/16,996,565.76 = 4,599,431.68/x - Step 3: Cross multiply
11,331,074.56x = 16,996,565.76 × 4,599,431.68 - Step 4: Simplify right side
11,331,074.56x = 78,174,543,007,747.28 - Step 5: Solve for x
x = 78,174,543,007,747.28/11,331,074.56 - Step 6: Final answer
x = 6,899,128.82
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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.