Finding the Fourth Proportional to 20,764,394.05, 31,153,244.87 and 14,538,981.41
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Solution
The fourth proportional to 20,764,394.05, 31,153,244.87 and 14,538,981.41 is: 21,813,131.03
Step by Step Solution
- Step 1: Write the proportion equation
20,764,394.05 : 31,153,244.87 = 14,538,981.41 : x - Step 2: Convert to fraction form
20,764,394.05/31,153,244.87 = 14,538,981.41/x - Step 3: Cross multiply
20,764,394.05x = 31,153,244.87 × 14,538,981.41 - Step 4: Simplify right side
20,764,394.05x = 452,936,448,141,127.31 - Step 5: Solve for x
x = 452,936,448,141,127.31/20,764,394.05 - Step 6: Final answer
x = 21,813,131.03
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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.