Finding the Fourth Proportional to 7,133,650.64, 10,700,640.24 and 1,742,345.84
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Solution
The fourth proportional to 7,133,650.64, 10,700,640.24 and 1,742,345.84 is: 2,613,558.88
Step by Step Solution
- Step 1: Write the proportion equation
7,133,650.64 : 10,700,640.24 = 1,742,345.84 : x - Step 2: Convert to fraction form
7,133,650.64/10,700,640.24 = 1,742,345.84/x - Step 3: Cross multiply
7,133,650.64x = 10,700,640.24 × 1,742,345.84 - Step 4: Simplify right side
7,133,650.64x = 18,644,216,007,500.60 - Step 5: Solve for x
x = 18,644,216,007,500.60/7,133,650.64 - Step 6: Final answer
x = 2,613,558.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.