Finding the Fourth Proportional to 6,962,965.20, 10,444,447.80 and 5,451,310.80
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Solution
The fourth proportional to 6,962,965.20, 10,444,447.80 and 5,451,310.80 is: 8,176,966.20
Step by Step Solution
- Step 1: Write the proportion equation
6,962,965.20 : 10,444,447.80 = 5,451,310.80 : x - Step 2: Convert to fraction form
6,962,965.20/10,444,447.80 = 5,451,310.80/x - Step 3: Cross multiply
6,962,965.20x = 10,444,447.80 × 5,451,310.80 - Step 4: Simplify right side
6,962,965.20x = 56,935,931,092,176.24 - Step 5: Solve for x
x = 56,935,931,092,176.24/6,962,965.20 - Step 6: Final answer
x = 8,176,966.20
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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.