Finding the Fourth Proportional to 16,384,679.46, 22,610,649.51 and 9,415,273.68
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Solution
The fourth proportional to 16,384,679.46, 22,610,649.51 and 9,415,273.68 is: 12,992,958.07
Step by Step Solution
- Step 1: Write the proportion equation
16,384,679.46 : 22,610,649.51 = 9,415,273.68 : x - Step 2: Convert to fraction form
16,384,679.46/22,610,649.51 = 9,415,273.68/x - Step 3: Cross multiply
16,384,679.46x = 22,610,649.51 × 9,415,273.68 - Step 4: Simplify right side
16,384,679.46x = 212,885,453,219,207.91 - Step 5: Solve for x
x = 212,885,453,219,207.91/16,384,679.46 - Step 6: Final answer
x = 12,992,958.07
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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.