Finding the Fourth Proportional to 9,698,438.24, 13,383,935.36 and 5,347,680.40
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Solution
The fourth proportional to 9,698,438.24, 13,383,935.36 and 5,347,680.40 is: 7,379,848.90
Step by Step Solution
- Step 1: Write the proportion equation
9,698,438.24 : 13,383,935.36 = 5,347,680.40 : x - Step 2: Convert to fraction form
9,698,438.24/13,383,935.36 = 5,347,680.40/x - Step 3: Cross multiply
9,698,438.24x = 13,383,935.36 × 5,347,680.40 - Step 4: Simplify right side
9,698,438.24x = 71,573,008,799,538.95 - Step 5: Solve for x
x = 71,573,008,799,538.95/9,698,438.24 - Step 6: Final answer
x = 7,379,848.90
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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.