Finding the Fourth Proportional to 36,148,732.68, 49,883,454.90 and 20,465,318.28
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Solution
The fourth proportional to 36,148,732.68, 49,883,454.90 and 20,465,318.28 is: 28,241,122.32
Step by Step Solution
- Step 1: Write the proportion equation
36,148,732.68 : 49,883,454.90 = 20,465,318.28 : x - Step 2: Convert to fraction form
36,148,732.68/49,883,454.90 = 20,465,318.28/x - Step 3: Cross multiply
36,148,732.68x = 49,883,454.90 × 20,465,318.28 - Step 4: Simplify right side
36,148,732.68x = 1,020,880,781,434,525.62 - Step 5: Solve for x
x = 1,020,880,781,434,525.62/36,148,732.68 - Step 6: Final answer
x = 28,241,122.32
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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.