Finding the Fourth Proportional to 25,487,372.52, 38,205,461.16 and 8,202,871.62
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Solution
The fourth proportional to 25,487,372.52, 38,205,461.16 and 8,202,871.62 is: 12,296,069.08
Step by Step Solution
- Step 1: Write the proportion equation
25,487,372.52 : 38,205,461.16 = 8,202,871.62 : x - Step 2: Convert to fraction form
25,487,372.52/38,205,461.16 = 8,202,871.62/x - Step 3: Cross multiply
25,487,372.52x = 38,205,461.16 × 8,202,871.62 - Step 4: Simplify right side
25,487,372.52x = 313,394,493,078,376.25 - Step 5: Solve for x
x = 313,394,493,078,376.25/25,487,372.52 - Step 6: Final answer
x = 12,296,069.08
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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.