Finding the Fourth Proportional to 7,247,783.18, 10,001,128.11 and 4,347,291.98
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Solution
The fourth proportional to 7,247,783.18, 10,001,128.11 and 4,347,291.98 is: 5,998,775.48
Step by Step Solution
- Step 1: Write the proportion equation
7,247,783.18 : 10,001,128.11 = 4,347,291.98 : x - Step 2: Convert to fraction form
7,247,783.18/10,001,128.11 = 4,347,291.98/x - Step 3: Cross multiply
7,247,783.18x = 10,001,128.11 × 4,347,291.98 - Step 4: Simplify right side
7,247,783.18x = 43,477,824,023,555.56 - Step 5: Solve for x
x = 43,477,824,023,555.56/7,247,783.18 - Step 6: Final answer
x = 5,998,775.48
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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.