Finding the Fourth Proportional to 13,234,546.26, 18,263,309.36 and 7,354,028.57
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Solution
The fourth proportional to 13,234,546.26, 18,263,309.36 and 7,354,028.57 is: 10,148,356.89
Step by Step Solution
- Step 1: Write the proportion equation
13,234,546.26 : 18,263,309.36 = 7,354,028.57 : x - Step 2: Convert to fraction form
13,234,546.26/18,263,309.36 = 7,354,028.57/x - Step 3: Cross multiply
13,234,546.26x = 18,263,309.36 × 7,354,028.57 - Step 4: Simplify right side
13,234,546.26x = 134,308,898,688,101.73 - Step 5: Solve for x
x = 134,308,898,688,101.73/13,234,546.26 - Step 6: Final answer
x = 10,148,356.89
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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.