Finding the Fourth Proportional to 18,621,617.10, 27,932,425.65 and 16,495,853.10
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Solution
The fourth proportional to 18,621,617.10, 27,932,425.65 and 16,495,853.10 is: 24,743,779.65
Step by Step Solution
- Step 1: Write the proportion equation
18,621,617.10 : 27,932,425.65 = 16,495,853.10 : x - Step 2: Convert to fraction form
18,621,617.10/27,932,425.65 = 16,495,853.10/x - Step 3: Cross multiply
18,621,617.10x = 27,932,425.65 × 16,495,853.10 - Step 4: Simplify right side
18,621,617.10x = 460,769,190,249,072 - Step 5: Solve for x
x = 460,769,190,249,072/18,621,617.10 - Step 6: Final answer
x = 24,743,779.65
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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.