Finding the Fourth Proportional to 8,749,732.70, 13,124,599.05 and 5,726,423.90
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Solution
The fourth proportional to 8,749,732.70, 13,124,599.05 and 5,726,423.90 is: 8,589,635.85
Step by Step Solution
- Step 1: Write the proportion equation
8,749,732.70 : 13,124,599.05 = 5,726,423.90 : x - Step 2: Convert to fraction form
8,749,732.70/13,124,599.05 = 5,726,423.90/x - Step 3: Cross multiply
8,749,732.70x = 13,124,599.05 × 5,726,423.90 - Step 4: Simplify right side
8,749,732.70x = 75,157,017,677,837.30 - Step 5: Solve for x
x = 75,157,017,677,837.30/8,749,732.70 - Step 6: Final answer
x = 8,589,635.85
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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.