Finding the Fourth Proportional to 10,528,835.18, 15,793,574.49 and 3,612,217.55
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Solution
The fourth proportional to 10,528,835.18, 15,793,574.49 and 3,612,217.55 is: 5,418,436.70
Step by Step Solution
- Step 1: Write the proportion equation
10,528,835.18 : 15,793,574.49 = 3,612,217.55 : x - Step 2: Convert to fraction form
10,528,835.18/15,793,574.49 = 3,612,217.55/x - Step 3: Cross multiply
10,528,835.18x = 15,793,574.49 × 3,612,217.55 - Step 4: Simplify right side
10,528,835.18x = 57,049,826,950,010.30 - Step 5: Solve for x
x = 57,049,826,950,010.30/10,528,835.18 - Step 6: Final answer
x = 5,418,436.70
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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.