Finding the Fourth Proportional to 11,078,765.60, 15,291,247.41 and 6,496,563.20
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Solution
The fourth proportional to 11,078,765.60, 15,291,247.41 and 6,496,563.20 is: 8,966,753.05
Step by Step Solution
- Step 1: Write the proportion equation
11,078,765.60 : 15,291,247.41 = 6,496,563.20 : x - Step 2: Convert to fraction form
11,078,765.60/15,291,247.41 = 6,496,563.20/x - Step 3: Cross multiply
11,078,765.60x = 15,291,247.41 × 6,496,563.20 - Step 4: Simplify right side
11,078,765.60x = 99,340,555,205,901.31 - Step 5: Solve for x
x = 99,340,555,205,901.31/11,078,765.60 - Step 6: Final answer
x = 8,966,753.05
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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.