Finding the Fourth Proportional to 21,691,943.98, 32,504,276.43 and 12,571,419.92
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Solution
The fourth proportional to 21,691,943.98, 32,504,276.43 and 12,571,419.92 is: 18,837,634.31
Step by Step Solution
- Step 1: Write the proportion equation
21,691,943.98 : 32,504,276.43 = 12,571,419.92 : x - Step 2: Convert to fraction form
21,691,943.98/32,504,276.43 = 12,571,419.92/x - Step 3: Cross multiply
21,691,943.98x = 32,504,276.43 × 12,571,419.92 - Step 4: Simplify right side
21,691,943.98x = 408,624,908,034,767.06 - Step 5: Solve for x
x = 408,624,908,034,767.06/21,691,943.98 - Step 6: Final answer
x = 18,837,634.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.