Finding the Fourth Proportional to 9,528,716.99, 13,149,701.78 and 5,177,826.74
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Solution
The fourth proportional to 9,528,716.99, 13,149,701.78 and 5,177,826.74 is: 7,145,440.20
Step by Step Solution
- Step 1: Write the proportion equation
9,528,716.99 : 13,149,701.78 = 5,177,826.74 : x - Step 2: Convert to fraction form
9,528,716.99/13,149,701.78 = 5,177,826.74/x - Step 3: Cross multiply
9,528,716.99x = 13,149,701.78 × 5,177,826.74 - Step 4: Simplify right side
9,528,716.99x = 68,086,877,407,871.96 - Step 5: Solve for x
x = 68,086,877,407,871.96/9,528,716.99 - Step 6: Final answer
x = 7,145,440.20
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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.