Finding the Fourth Proportional to 16,405,571.71, 22,639,615.59 and 9,063,406.09
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Solution
The fourth proportional to 16,405,571.71, 22,639,615.59 and 9,063,406.09 is: 12,507,459.87
Step by Step Solution
- Step 1: Write the proportion equation
16,405,571.71 : 22,639,615.59 = 9,063,406.09 : x - Step 2: Convert to fraction form
16,405,571.71/22,639,615.59 = 9,063,406.09/x - Step 3: Cross multiply
16,405,571.71x = 22,639,615.59 × 9,063,406.09 - Step 4: Simplify right side
16,405,571.71x = 205,192,029,813,664.94 - Step 5: Solve for x
x = 205,192,029,813,664.94/16,405,571.71 - Step 6: Final answer
x = 12,507,459.87
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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.