Finding the Fourth Proportional to 11,742,050.72, 16,204,917.51 and 6,516,048.17
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Solution
The fourth proportional to 11,742,050.72, 16,204,917.51 and 6,516,048.17 is: 8,992,638.99
Step by Step Solution
- Step 1: Write the proportion equation
11,742,050.72 : 16,204,917.51 = 6,516,048.17 : x - Step 2: Convert to fraction form
11,742,050.72/16,204,917.51 = 6,516,048.17/x - Step 3: Cross multiply
11,742,050.72x = 16,204,917.51 × 6,516,048.17 - Step 4: Simplify right side
11,742,050.72x = 105,592,023,126,548.75 - Step 5: Solve for x
x = 105,592,023,126,548.75/11,742,050.72 - Step 6: Final answer
x = 8,992,638.99
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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.