Finding the Fourth Proportional to 9,472,135.20, 14,208,202.80 and 6,952,711.20
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Solution
The fourth proportional to 9,472,135.20, 14,208,202.80 and 6,952,711.20 is: 10,429,066.80
Step by Step Solution
- Step 1: Write the proportion equation
9,472,135.20 : 14,208,202.80 = 6,952,711.20 : x - Step 2: Convert to fraction form
9,472,135.20/14,208,202.80 = 6,952,711.20/x - Step 3: Cross multiply
9,472,135.20x = 14,208,202.80 × 6,952,711.20 - Step 4: Simplify right side
9,472,135.20x = 98,785,530,739,431.38 - Step 5: Solve for x
x = 98,785,530,739,431.38/9,472,135.20 - Step 6: Final answer
x = 10,429,066.80
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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.