Finding the Fourth Proportional to 8,856,474.68, 13,236,187.71 and 6,465,354.68
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Solution
The fourth proportional to 8,856,474.68, 13,236,187.71 and 6,465,354.68 is: 9,662,608.57
Step by Step Solution
- Step 1: Write the proportion equation
8,856,474.68 : 13,236,187.71 = 6,465,354.68 : x - Step 2: Convert to fraction form
8,856,474.68/13,236,187.71 = 6,465,354.68/x - Step 3: Cross multiply
8,856,474.68x = 13,236,187.71 × 6,465,354.68 - Step 4: Simplify right side
8,856,474.68x = 85,576,648,156,206.98 - Step 5: Solve for x
x = 85,576,648,156,206.98/8,856,474.68 - Step 6: Final answer
x = 9,662,608.57
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.