Finding the Fourth Proportional to 20,296,928.93, 27,982,666.06 and 16,124,457.96
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Solution
The fourth proportional to 20,296,928.93, 27,982,666.06 and 16,124,457.96 is: 22,230,226.26
Step by Step Solution
- Step 1: Write the proportion equation
20,296,928.93 : 27,982,666.06 = 16,124,457.96 : x - Step 2: Convert to fraction form
20,296,928.93/27,982,666.06 = 16,124,457.96/x - Step 3: Cross multiply
20,296,928.93x = 27,982,666.06 × 16,124,457.96 - Step 4: Simplify right side
20,296,928.93x = 451,205,322,452,877.75 - Step 5: Solve for x
x = 451,205,322,452,877.75/20,296,928.93 - Step 6: Final answer
x = 22,230,226.26
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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.