Finding the Fourth Proportional to 6,912,553.40, 10,368,830.10 and 5,484,879.80
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Solution
The fourth proportional to 6,912,553.40, 10,368,830.10 and 5,484,879.80 is: 8,227,319.70
Step by Step Solution
- Step 1: Write the proportion equation
6,912,553.40 : 10,368,830.10 = 5,484,879.80 : x - Step 2: Convert to fraction form
6,912,553.40/10,368,830.10 = 5,484,879.80/x - Step 3: Cross multiply
6,912,553.40x = 10,368,830.10 × 5,484,879.80 - Step 4: Simplify right side
6,912,553.40x = 56,871,786,765,121.98 - Step 5: Solve for x
x = 56,871,786,765,121.98/6,912,553.40 - Step 6: Final answer
x = 8,227,319.70
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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.