Finding the Fourth Proportional to 7,730,798.80, 11,596,198.20 and 7,553,651.80
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Solution
The fourth proportional to 7,730,798.80, 11,596,198.20 and 7,553,651.80 is: 11,330,477.70
Step by Step Solution
- Step 1: Write the proportion equation
7,730,798.80 : 11,596,198.20 = 7,553,651.80 : x - Step 2: Convert to fraction form
7,730,798.80/11,596,198.20 = 7,553,651.80/x - Step 3: Cross multiply
7,730,798.80x = 11,596,198.20 × 7,553,651.80 - Step 4: Simplify right side
7,730,798.80x = 87,593,643,406,586.75 - Step 5: Solve for x
x = 87,593,643,406,586.75/7,730,798.80 - Step 6: Final answer
x = 11,330,477.70
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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.