Finding the Fourth Proportional to 54,605,670.22, 81,908,811.53 and 18,213,960.66
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Solution
The fourth proportional to 54,605,670.22, 81,908,811.53 and 18,213,960.66 is: 27,321,043.12
Step by Step Solution
- Step 1: Write the proportion equation
54,605,670.22 : 81,908,811.53 = 18,213,960.66 : x - Step 2: Convert to fraction form
54,605,670.22/81,908,811.53 = 18,213,960.66/x - Step 3: Cross multiply
54,605,670.22x = 81,908,811.53 × 18,213,960.66 - Step 4: Simplify right side
54,605,670.22x = 1,491,883,870,823,704.75 - Step 5: Solve for x
x = 1,491,883,870,823,704.75/54,605,670.22 - Step 6: Final answer
x = 27,321,043.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.