Finding the Fourth Proportional to 37,432,241.64, 51,658,917.60 and 20,912,455.08
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Solution
The fourth proportional to 37,432,241.64, 51,658,917.60 and 20,912,455.08 is: 28,860,542.31
Step by Step Solution
- Step 1: Write the proportion equation
37,432,241.64 : 51,658,917.60 = 20,912,455.08 : x - Step 2: Convert to fraction form
37,432,241.64/51,658,917.60 = 20,912,455.08/x - Step 3: Cross multiply
37,432,241.64x = 51,658,917.60 × 20,912,455.08 - Step 4: Simplify right side
37,432,241.64x = 1,080,314,793,791,421.38 - Step 5: Solve for x
x = 1,080,314,793,791,421.38/37,432,241.64 - Step 6: Final answer
x = 28,860,542.31
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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.