Finding the Fourth Proportional to 51,943,742.52, 71,684,474.66 and 28,738,491.48
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Solution
The fourth proportional to 51,943,742.52, 71,684,474.66 and 28,738,491.48 is: 39,660,285.62
Step by Step Solution
- Step 1: Write the proportion equation
51,943,742.52 : 71,684,474.66 = 28,738,491.48 : x - Step 2: Convert to fraction form
51,943,742.52/71,684,474.66 = 28,738,491.48/x - Step 3: Cross multiply
51,943,742.52x = 71,684,474.66 × 28,738,491.48 - Step 4: Simplify right side
51,943,742.52x = 2,060,103,664,264,685.75 - Step 5: Solve for x
x = 2,060,103,664,264,685.75/51,943,742.52 - Step 6: Final answer
x = 39,660,285.62
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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.