Finding the Fourth Proportional to 7,672,511.55, 10,587,312.12 and 4,234,531.15
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Solution
The fourth proportional to 7,672,511.55, 10,587,312.12 and 4,234,531.15 is: 5,843,236.95
Step by Step Solution
- Step 1: Write the proportion equation
7,672,511.55 : 10,587,312.12 = 4,234,531.15 : x - Step 2: Convert to fraction form
7,672,511.55/10,587,312.12 = 4,234,531.15/x - Step 3: Cross multiply
7,672,511.55x = 10,587,312.12 × 4,234,531.15 - Step 4: Simplify right side
7,672,511.55x = 44,832,302,966,912.54 - Step 5: Solve for x
x = 44,832,302,966,912.54/7,672,511.55 - Step 6: Final answer
x = 5,843,236.95
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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.