Finding the Fourth Proportional to 48,531,292.79, 66,974,836.86 and 28,702,056.14
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Solution
The fourth proportional to 48,531,292.79, 66,974,836.86 and 28,702,056.14 is: 39,609,814.96
Step by Step Solution
- Step 1: Write the proportion equation
48,531,292.79 : 66,974,836.86 = 28,702,056.14 : x - Step 2: Convert to fraction form
48,531,292.79/66,974,836.86 = 28,702,056.14/x - Step 3: Cross multiply
48,531,292.79x = 66,974,836.86 × 28,702,056.14 - Step 4: Simplify right side
48,531,292.79x = 1,922,315,527,188,187.25 - Step 5: Solve for x
x = 1,922,315,527,188,187.25/48,531,292.79 - Step 6: Final answer
x = 39,609,814.96
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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.