Finding the Fourth Proportional to 10,643,437.80, 15,967,230.30 and 4,252,602.60
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Solution
The fourth proportional to 10,643,437.80, 15,967,230.30 and 4,252,602.60 is: 6,379,732.41
Step by Step Solution
- Step 1: Write the proportion equation
10,643,437.80 : 15,967,230.30 = 4,252,602.60 : x - Step 2: Convert to fraction form
10,643,437.80/15,967,230.30 = 4,252,602.60/x - Step 3: Cross multiply
10,643,437.80x = 15,967,230.30 × 4,252,602.60 - Step 4: Simplify right side
10,643,437.80x = 67,902,285,088,578.77 - Step 5: Solve for x
x = 67,902,285,088,578.77/10,643,437.80 - Step 6: Final answer
x = 6,379,732.41
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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.