Finding the Fourth Proportional to 34,486,311.38, 51,730,688.92 and 8,578,747.58
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Solution
The fourth proportional to 34,486,311.38, 51,730,688.92 and 8,578,747.58 is: 12,868,425.32
Step by Step Solution
- Step 1: Write the proportion equation
34,486,311.38 : 51,730,688.92 = 8,578,747.58 : x - Step 2: Convert to fraction form
34,486,311.38/51,730,688.92 = 8,578,747.58/x - Step 3: Cross multiply
34,486,311.38x = 51,730,688.92 × 8,578,747.58 - Step 4: Simplify right side
34,486,311.38x = 443,784,522,384,182.81 - Step 5: Solve for x
x = 443,784,522,384,182.81/34,486,311.38 - Step 6: Final answer
x = 12,868,425.32
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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.