Finding the Fourth Proportional to 18,695,692.80, 28,046,163.60 and 5,914,864.80
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Solution
The fourth proportional to 18,695,692.80, 28,046,163.60 and 5,914,864.80 is: 8,873,127.50
Step by Step Solution
- Step 1: Write the proportion equation
18,695,692.80 : 28,046,163.60 = 5,914,864.80 : x - Step 2: Convert to fraction form
18,695,692.80/28,046,163.60 = 5,914,864.80/x - Step 3: Cross multiply
18,695,692.80x = 28,046,163.60 × 5,914,864.80 - Step 4: Simplify right side
18,695,692.80x = 165,889,265,852,681.28 - Step 5: Solve for x
x = 165,889,265,852,681.28/18,695,692.80 - Step 6: Final answer
x = 8,873,127.50
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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.