Finding the Fourth Proportional to 28,256,863.41, 38,983,343.19 and 16,327,794.69
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Solution
The fourth proportional to 28,256,863.41, 38,983,343.19 and 16,327,794.69 is: 22,525,926.35
Step by Step Solution
- Step 1: Write the proportion equation
28,256,863.41 : 38,983,343.19 = 16,327,794.69 : x - Step 2: Convert to fraction form
28,256,863.41/38,983,343.19 = 16,327,794.69/x - Step 3: Cross multiply
28,256,863.41x = 38,983,343.19 × 16,327,794.69 - Step 4: Simplify right side
28,256,863.41x = 636,512,023,936,129.62 - Step 5: Solve for x
x = 636,512,023,936,129.62/28,256,863.41 - Step 6: Final answer
x = 22,525,926.35
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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.