Finding the Fourth Proportional to 10,786,379.74, 14,885,115.58 and 5,891,604.92
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Solution
The fourth proportional to 10,786,379.74, 14,885,115.58 and 5,891,604.92 is: 8,130,366.47
Step by Step Solution
- Step 1: Write the proportion equation
10,786,379.74 : 14,885,115.58 = 5,891,604.92 : x - Step 2: Convert to fraction form
10,786,379.74/14,885,115.58 = 5,891,604.92/x - Step 3: Cross multiply
10,786,379.74x = 14,885,115.58 × 5,891,604.92 - Step 4: Simplify right side
10,786,379.74x = 87,697,220,174,654.77 - Step 5: Solve for x
x = 87,697,220,174,654.77/10,786,379.74 - Step 6: Final answer
x = 8,130,366.47
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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.