Finding the Fourth Proportional to 6,172,764.24, 8,520,650.64 and 5,024,851.68
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Solution
The fourth proportional to 6,172,764.24, 8,520,650.64 and 5,024,851.68 is: 6,936,115.49
Step by Step Solution
- Step 1: Write the proportion equation
6,172,764.24 : 8,520,650.64 = 5,024,851.68 : x - Step 2: Convert to fraction form
6,172,764.24/8,520,650.64 = 5,024,851.68/x - Step 3: Cross multiply
6,172,764.24x = 8,520,650.64 × 5,024,851.68 - Step 4: Simplify right side
6,172,764.24x = 42,815,005,683,097.08 - Step 5: Solve for x
x = 42,815,005,683,097.08/6,172,764.24 - Step 6: Final answer
x = 6,936,115.49
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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.