Finding the Fourth Proportional to 47,959,580.75, 71,908,439.51 and 18,816,365.07
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Solution
The fourth proportional to 47,959,580.75, 71,908,439.51 and 18,816,365.07 is: 28,212,411.96
Step by Step Solution
- Step 1: Write the proportion equation
47,959,580.75 : 71,908,439.51 = 18,816,365.07 : x - Step 2: Convert to fraction form
47,959,580.75/71,908,439.51 = 18,816,365.07/x - Step 3: Cross multiply
47,959,580.75x = 71,908,439.51 × 18,816,365.07 - Step 4: Simplify right side
47,959,580.75x = 1,353,055,449,434,172 - Step 5: Solve for x
x = 1,353,055,449,434,172/47,959,580.75 - Step 6: Final answer
x = 28,212,411.96
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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.