Finding the Fourth Proportional to 8,510,610.63, 11,744,164.11 and 4,840,420.05
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Solution
The fourth proportional to 8,510,610.63, 11,744,164.11 and 4,840,420.05 is: 6,679,507.49
Step by Step Solution
- Step 1: Write the proportion equation
8,510,610.63 : 11,744,164.11 = 4,840,420.05 : x - Step 2: Convert to fraction form
8,510,610.63/11,744,164.11 = 4,840,420.05/x - Step 3: Cross multiply
8,510,610.63x = 11,744,164.11 × 4,840,420.05 - Step 4: Simplify right side
8,510,610.63x = 56,846,687,428,534.40 - Step 5: Solve for x
x = 56,846,687,428,534.40/8,510,610.63 - Step 6: Final answer
x = 6,679,507.49
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1.5x scale
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.