Finding the Fourth Proportional to 16,281,516.72, 24,427,582.20 and 8,190,316.56
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Solution
The fourth proportional to 16,281,516.72, 24,427,582.20 and 8,190,316.56 is: 12,288,144.55
Step by Step Solution
- Step 1: Write the proportion equation
16,281,516.72 : 24,427,582.20 = 8,190,316.56 : x - Step 2: Convert to fraction form
16,281,516.72/24,427,582.20 = 8,190,316.56/x - Step 3: Cross multiply
16,281,516.72x = 24,427,582.20 × 8,190,316.56 - Step 4: Simplify right side
16,281,516.72x = 200,069,631,013,421.22 - Step 5: Solve for x
x = 200,069,631,013,421.22/16,281,516.72 - Step 6: Final answer
x = 12,288,144.55
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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.