Finding the Fourth Proportional to 18,330,397.05, 27,495,591.47 and 4,683,568.99
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Solution
The fourth proportional to 18,330,397.05, 27,495,591.47 and 4,683,568.99 is: 7,025,352.44
Step by Step Solution
- Step 1: Write the proportion equation
18,330,397.05 : 27,495,591.47 = 4,683,568.99 : x - Step 2: Convert to fraction form
18,330,397.05/27,495,591.47 = 4,683,568.99/x - Step 3: Cross multiply
18,330,397.05x = 27,495,591.47 × 4,683,568.99 - Step 4: Simplify right side
18,330,397.05x = 128,777,499,570,600.52 - Step 5: Solve for x
x = 128,777,499,570,600.52/18,330,397.05 - Step 6: Final answer
x = 7,025,352.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.