Finding the Fourth Proportional to 6,413,533.11, 8,850,679.47 and 3,512,972.43
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Solution
The fourth proportional to 6,413,533.11, 8,850,679.47 and 3,512,972.43 is: 4,847,904.02
Step by Step Solution
- Step 1: Write the proportion equation
6,413,533.11 : 8,850,679.47 = 3,512,972.43 : x - Step 2: Convert to fraction form
6,413,533.11/8,850,679.47 = 3,512,972.43/x - Step 3: Cross multiply
6,413,533.11x = 8,850,679.47 × 3,512,972.43 - Step 4: Simplify right side
6,413,533.11x = 31,092,192,964,877.02 - Step 5: Solve for x
x = 31,092,192,964,877.02/6,413,533.11 - Step 6: Final answer
x = 4,847,904.02
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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.