Finding the Fourth Proportional to 37,836,611.93, 52,214,523.99 and 20,432,955.61
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Solution
The fourth proportional to 37,836,611.93, 52,214,523.99 and 20,432,955.61 is: 28,197,478.48
Step by Step Solution
- Step 1: Write the proportion equation
37,836,611.93 : 52,214,523.99 = 20,432,955.61 : x - Step 2: Convert to fraction form
37,836,611.93/52,214,523.99 = 20,432,955.61/x - Step 3: Cross multiply
37,836,611.93x = 52,214,523.99 × 20,432,955.61 - Step 4: Simplify right side
37,836,611.93x = 1,066,897,050,873,594.50 - Step 5: Solve for x
x = 1,066,897,050,873,594.50/37,836,611.93 - Step 6: Final answer
x = 28,197,478.48
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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.