Finding the Fourth Proportional to 18,356,611.80, 27,545,415.30 and 12,680,909.40
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Solution
The fourth proportional to 18,356,611.80, 27,545,415.30 and 12,680,909.40 is: 19,028,615.93
Step by Step Solution
- Step 1: Write the proportion equation
18,356,611.80 : 27,545,415.30 = 12,680,909.40 : x - Step 2: Convert to fraction form
18,356,611.80/27,545,415.30 = 12,680,909.40/x - Step 3: Cross multiply
18,356,611.80x = 27,545,415.30 × 12,680,909.40 - Step 4: Simplify right side
18,356,611.80x = 349,300,915,804,673.81 - Step 5: Solve for x
x = 349,300,915,804,673.81/18,356,611.80 - Step 6: Final answer
x = 19,028,615.93
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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.