Finding the Fourth Proportional to 11,352,161.54, 15,660,534.29 and 7,430,190.98
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Solution
The fourth proportional to 11,352,161.54, 15,660,534.29 and 7,430,190.98 is: 10,250,097.31
Step by Step Solution
- Step 1: Write the proportion equation
11,352,161.54 : 15,660,534.29 = 7,430,190.98 : x - Step 2: Convert to fraction form
11,352,161.54/15,660,534.29 = 7,430,190.98/x - Step 3: Cross multiply
11,352,161.54x = 15,660,534.29 × 7,430,190.98 - Step 4: Simplify right side
11,352,161.54x = 116,360,760,508,085.08 - Step 5: Solve for x
x = 116,360,760,508,085.08/11,352,161.54 - Step 6: Final answer
x = 10,250,097.31
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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.