Finding the Fourth Proportional to 10,786,451.77, 14,885,214.98 and 5,891,676.99
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Solution
The fourth proportional to 10,786,451.77, 14,885,214.98 and 5,891,676.99 is: 8,130,465.93
Step by Step Solution
- Step 1: Write the proportion equation
10,786,451.77 : 14,885,214.98 = 5,891,676.99 : x - Step 2: Convert to fraction form
10,786,451.77/14,885,214.98 = 5,891,676.99/x - Step 3: Cross multiply
10,786,451.77x = 14,885,214.98 × 5,891,676.99 - Step 4: Simplify right side
10,786,451.77x = 87,698,878,588,869.31 - Step 5: Solve for x
x = 87,698,878,588,869.31/10,786,451.77 - Step 6: Final answer
x = 8,130,465.93
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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.