Finding the Fourth Proportional to 7,888,689.18, 11,833,708.16 and 2,770,673.54
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Solution
The fourth proportional to 7,888,689.18, 11,833,708.16 and 2,770,673.54 is: 4,156,247.16
Step by Step Solution
- Step 1: Write the proportion equation
7,888,689.18 : 11,833,708.16 = 2,770,673.54 : x - Step 2: Convert to fraction form
7,888,689.18/11,833,708.16 = 2,770,673.54/x - Step 3: Cross multiply
7,888,689.18x = 11,833,708.16 × 2,770,673.54 - Step 4: Simplify right side
7,888,689.18x = 32,787,342,026,752.23 - Step 5: Solve for x
x = 32,787,342,026,752.23/7,888,689.18 - Step 6: Final answer
x = 4,156,247.16
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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.