Finding the Fourth Proportional to 8,525,153.40, 12,787,435.26 and 2,135,460.84
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Solution
The fourth proportional to 8,525,153.40, 12,787,435.26 and 2,135,460.84 is: 3,203,117.41
Step by Step Solution
- Step 1: Write the proportion equation
8,525,153.40 : 12,787,435.26 = 2,135,460.84 : x - Step 2: Convert to fraction form
8,525,153.40/12,787,435.26 = 2,135,460.84/x - Step 3: Cross multiply
8,525,153.40x = 12,787,435.26 × 2,135,460.84 - Step 4: Simplify right side
8,525,153.40x = 27,307,067,241,765.21 - Step 5: Solve for x
x = 27,307,067,241,765.21/8,525,153.40 - Step 6: Final answer
x = 3,203,117.41
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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.