Finding the Fourth Proportional to 7,736,172.80, 10,675,276.80 and 4,251,328.36
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Solution
The fourth proportional to 7,736,172.80, 10,675,276.80 and 4,251,328.36 is: 5,866,480.52
Step by Step Solution
- Step 1: Write the proportion equation
7,736,172.80 : 10,675,276.80 = 4,251,328.36 : x - Step 2: Convert to fraction form
7,736,172.80/10,675,276.80 = 4,251,328.36/x - Step 3: Cross multiply
7,736,172.80x = 10,675,276.80 × 4,251,328.36 - Step 4: Simplify right side
7,736,172.80x = 45,384,107,010,690.05 - Step 5: Solve for x
x = 45,384,107,010,690.05/7,736,172.80 - Step 6: Final answer
x = 5,866,480.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.