Finding the Fourth Proportional to 10,688,903.81, 14,741,163.02 and 8,334,685.10
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Solution
The fourth proportional to 10,688,903.81, 14,741,163.02 and 8,334,685.10 is: 11,494,438.89
Step by Step Solution
- Step 1: Write the proportion equation
10,688,903.81 : 14,741,163.02 = 8,334,685.10 : x - Step 2: Convert to fraction form
10,688,903.81/14,741,163.02 = 8,334,685.10/x - Step 3: Cross multiply
10,688,903.81x = 14,741,163.02 × 8,334,685.10 - Step 4: Simplify right side
10,688,903.81x = 122,862,951,684,922.47 - Step 5: Solve for x
x = 122,862,951,684,922.47/10,688,903.81 - Step 6: Final answer
x = 11,494,438.89
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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.