Finding the Fourth Proportional to 18,785,450.34, 28,182,195.54 and 5,831,316.36
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Solution
The fourth proportional to 18,785,450.34, 28,182,195.54 and 5,831,316.36 is: 8,748,222.42
Step by Step Solution
- Step 1: Write the proportion equation
18,785,450.34 : 28,182,195.54 = 5,831,316.36 : x - Step 2: Convert to fraction form
18,785,450.34/28,182,195.54 = 5,831,316.36/x - Step 3: Cross multiply
18,785,450.34x = 28,182,195.54 × 5,831,316.36 - Step 4: Simplify right side
18,785,450.34x = 164,339,297,913,121.03 - Step 5: Solve for x
x = 164,339,297,913,121.03/18,785,450.34 - Step 6: Final answer
x = 8,748,222.42
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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.