Finding the Fourth Proportional to 7,438,370.74, 11,153,220.78 and 2,884,099
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Solution
The fourth proportional to 7,438,370.74, 11,153,220.78 and 2,884,099 is: 4,324,467.55
Step by Step Solution
- Step 1: Write the proportion equation
7,438,370.74 : 11,153,220.78 = 2,884,099 : x - Step 2: Convert to fraction form
7,438,370.74/11,153,220.78 = 2,884,099/x - Step 3: Cross multiply
7,438,370.74x = 11,153,220.78 × 2,884,099 - Step 4: Simplify right side
7,438,370.74x = 32,166,992,898,377.22 - Step 5: Solve for x
x = 32,166,992,898,377.22/7,438,370.74 - Step 6: Final answer
x = 4,324,467.55
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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.