Finding the Fourth Proportional to 51,861,876.86, 71,569,366.42 and 28,656,800.84
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Solution
The fourth proportional to 51,861,876.86, 71,569,366.42 and 28,656,800.84 is: 39,546,372.09
Step by Step Solution
- Step 1: Write the proportion equation
51,861,876.86 : 71,569,366.42 = 28,656,800.84 : x - Step 2: Convert to fraction form
51,861,876.86/71,569,366.42 = 28,656,800.84/x - Step 3: Cross multiply
51,861,876.86x = 71,569,366.42 × 28,656,800.84 - Step 4: Simplify right side
51,861,876.86x = 2,050,949,079,742,923.75 - Step 5: Solve for x
x = 2,050,949,079,742,923.75/51,861,876.86 - Step 6: Final answer
x = 39,546,372.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.