Finding the Fourth Proportional to 11,676,358.52, 16,113,278.48 and 6,378,057.80
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Solution
The fourth proportional to 11,676,358.52, 16,113,278.48 and 6,378,057.80 is: 8,801,667.17
Step by Step Solution
- Step 1: Write the proportion equation
11,676,358.52 : 16,113,278.48 = 6,378,057.80 : x - Step 2: Convert to fraction form
11,676,358.52/16,113,278.48 = 6,378,057.80/x - Step 3: Cross multiply
11,676,358.52x = 16,113,278.48 × 6,378,057.80 - Step 4: Simplify right side
11,676,358.52x = 102,771,421,492,936.14 - Step 5: Solve for x
x = 102,771,421,492,936.14/11,676,358.52 - Step 6: Final answer
x = 8,801,667.17
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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.