Finding the Fourth Proportional to 27,424,478.21, 37,846,213.61 and 16,411,697.55
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Solution
The fourth proportional to 27,424,478.21, 37,846,213.61 and 16,411,697.55 is: 22,648,402.15
Step by Step Solution
- Step 1: Write the proportion equation
27,424,478.21 : 37,846,213.61 = 16,411,697.55 : x - Step 2: Convert to fraction form
27,424,478.21/37,846,213.61 = 16,411,697.55/x - Step 3: Cross multiply
27,424,478.21x = 37,846,213.61 × 16,411,697.55 - Step 4: Simplify right side
27,424,478.21x = 621,120,611,097,955.12 - Step 5: Solve for x
x = 621,120,611,097,955.12/27,424,478.21 - Step 6: Final answer
x = 22,648,402.15
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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.