Finding the Fourth Proportional to 10,255,761.42, 14,157,308.58 and 6,390,192.44
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Solution
The fourth proportional to 10,255,761.42, 14,157,308.58 and 6,390,192.44 is: 8,821,180.86
Step by Step Solution
- Step 1: Write the proportion equation
10,255,761.42 : 14,157,308.58 = 6,390,192.44 : x - Step 2: Convert to fraction form
10,255,761.42/14,157,308.58 = 6,390,192.44/x - Step 3: Cross multiply
10,255,761.42x = 14,157,308.58 × 6,390,192.44 - Step 4: Simplify right side
10,255,761.42x = 90,467,926,270,093.19 - Step 5: Solve for x
x = 90,467,926,270,093.19/10,255,761.42 - Step 6: Final answer
x = 8,821,180.86
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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.