Finding the Fourth Proportional to 14,769,619.80, 22,141,988.10 and 7,677,907.80
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Solution
The fourth proportional to 14,769,619.80, 22,141,988.10 and 7,677,907.80 is: 11,510,394.00
Step by Step Solution
- Step 1: Write the proportion equation
14,769,619.80 : 22,141,988.10 = 7,677,907.80 : x - Step 2: Convert to fraction form
14,769,619.80/22,141,988.10 = 7,677,907.80/x - Step 3: Cross multiply
14,769,619.80x = 22,141,988.10 × 7,677,907.80 - Step 4: Simplify right side
14,769,619.80x = 170,004,143,140,497.19 - Step 5: Solve for x
x = 170,004,143,140,497.19/14,769,619.80 - Step 6: Final answer
x = 11,510,394.00
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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.