Finding the Fourth Proportional to 10,700,073.68, 14,766,185.12 and 6,288,614.62
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Solution
The fourth proportional to 10,700,073.68, 14,766,185.12 and 6,288,614.62 is: 8,678,337.21
Step by Step Solution
- Step 1: Write the proportion equation
10,700,073.68 : 14,766,185.12 = 6,288,614.62 : x - Step 2: Convert to fraction form
10,700,073.68/14,766,185.12 = 6,288,614.62/x - Step 3: Cross multiply
10,700,073.68x = 14,766,185.12 × 6,288,614.62 - Step 4: Simplify right side
10,700,073.68x = 92,858,847,558,899.92 - Step 5: Solve for x
x = 92,858,847,558,899.92/10,700,073.68 - Step 6: Final answer
x = 8,678,337.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.