Finding the Fourth Proportional to 7,275,511.80, 10,913,267.70 and 2,481,607.80
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Solution
The fourth proportional to 7,275,511.80, 10,913,267.70 and 2,481,607.80 is: 3,722,411.70
Step by Step Solution
- Step 1: Write the proportion equation
7,275,511.80 : 10,913,267.70 = 2,481,607.80 : x - Step 2: Convert to fraction form
7,275,511.80/10,913,267.70 = 2,481,607.80/x - Step 3: Cross multiply
7,275,511.80x = 10,913,267.70 × 2,481,607.80 - Step 4: Simplify right side
7,275,511.80x = 27,082,450,247,808.05 - Step 5: Solve for x
x = 27,082,450,247,808.05/7,275,511.80 - Step 6: Final answer
x = 3,722,411.70
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Double scale
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Similar ratio
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1.5x scale
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.