Finding the Fourth Proportional to 27,335,241.58, 37,723,420.68 and 15,112,885.90
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Solution
The fourth proportional to 27,335,241.58, 37,723,420.68 and 15,112,885.90 is: 20,856,217.82
Step by Step Solution
- Step 1: Write the proportion equation
27,335,241.58 : 37,723,420.68 = 15,112,885.90 : x - Step 2: Convert to fraction form
27,335,241.58/37,723,420.68 = 15,112,885.90/x - Step 3: Cross multiply
27,335,241.58x = 37,723,420.68 × 15,112,885.90 - Step 4: Simplify right side
27,335,241.58x = 570,109,752,494,540.38 - Step 5: Solve for x
x = 570,109,752,494,540.38/27,335,241.58 - Step 6: Final answer
x = 20,856,217.82
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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.