Finding the Fourth Proportional to 11,672,230.74, 17,514,510.75 and 8,282,421.78
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Solution
The fourth proportional to 11,672,230.74, 17,514,510.75 and 8,282,421.78 is: 12,428,007.00
Step by Step Solution
- Step 1: Write the proportion equation
11,672,230.74 : 17,514,510.75 = 8,282,421.78 : x - Step 2: Convert to fraction form
11,672,230.74/17,514,510.75 = 8,282,421.78/x - Step 3: Cross multiply
11,672,230.74x = 17,514,510.75 × 8,282,421.78 - Step 4: Simplify right side
11,672,230.74x = 145,062,565,301,844.12 - Step 5: Solve for x
x = 145,062,565,301,844.12/11,672,230.74 - Step 6: Final answer
x = 12,428,007.00
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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.