Finding the Fourth Proportional to 11,471,245.20, 15,830,313.84 and 6,314,580
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Solution
The fourth proportional to 11,471,245.20, 15,830,313.84 and 6,314,580 is: 8,714,117.90
Step by Step Solution
- Step 1: Write the proportion equation
11,471,245.20 : 15,830,313.84 = 6,314,580 : x - Step 2: Convert to fraction form
11,471,245.20/15,830,313.84 = 6,314,580/x - Step 3: Cross multiply
11,471,245.20x = 15,830,313.84 × 6,314,580 - Step 4: Simplify right side
11,471,245.20x = 99,961,783,167,787.20 - Step 5: Solve for x
x = 99,961,783,167,787.20/11,471,245.20 - Step 6: Final answer
x = 8,714,117.90
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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.