Finding the Fourth Proportional to 16,519,121.99, 24,779,171.82 and 7,884,132.38
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Solution
The fourth proportional to 16,519,121.99, 24,779,171.82 and 7,884,132.38 is: 11,826,431.87
Step by Step Solution
- Step 1: Write the proportion equation
16,519,121.99 : 24,779,171.82 = 7,884,132.38 : x - Step 2: Convert to fraction form
16,519,121.99/24,779,171.82 = 7,884,132.38/x - Step 3: Cross multiply
16,519,121.99x = 24,779,171.82 × 7,884,132.38 - Step 4: Simplify right side
16,519,121.99x = 195,362,270,771,749.69 - Step 5: Solve for x
x = 195,362,270,771,749.69/16,519,121.99 - Step 6: Final answer
x = 11,826,431.87
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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.