Finding the Fourth Proportional to 16,404,872.63, 22,639,371.79 and 9,435,539.08
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Solution
The fourth proportional to 16,404,872.63, 22,639,371.79 and 9,435,539.08 is: 13,021,416.38
Step by Step Solution
- Step 1: Write the proportion equation
16,404,872.63 : 22,639,371.79 = 9,435,539.08 : x - Step 2: Convert to fraction form
16,404,872.63/22,639,371.79 = 9,435,539.08/x - Step 3: Cross multiply
16,404,872.63x = 22,639,371.79 × 9,435,539.08 - Step 4: Simplify right side
16,404,872.63x = 213,614,677,191,007.31 - Step 5: Solve for x
x = 213,614,677,191,007.31/16,404,872.63 - Step 6: Final answer
x = 13,021,416.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.