Finding the Fourth Proportional to 10,022,699.99, 13,824,180.73 and 9,198,430.40
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Solution
The fourth proportional to 10,022,699.99, 13,824,180.73 and 9,198,430.40 is: 12,687,276.33
Step by Step Solution
- Step 1: Write the proportion equation
10,022,699.99 : 13,824,180.73 = 9,198,430.40 : x - Step 2: Convert to fraction form
10,022,699.99/13,824,180.73 = 9,198,430.40/x - Step 3: Cross multiply
10,022,699.99x = 13,824,180.73 × 9,198,430.40 - Step 4: Simplify right side
10,022,699.99x = 127,160,764,327,984.67 - Step 5: Solve for x
x = 127,160,764,327,984.67/10,022,699.99 - Step 6: Final answer
x = 12,687,276.33
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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.