Finding the Fourth Proportional to 14,318,532.12, 19,760,225 and 8,438,414.48
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Solution
The fourth proportional to 14,318,532.12, 19,760,225 and 8,438,414.48 is: 11,645,395.45
Step by Step Solution
- Step 1: Write the proportion equation
14,318,532.12 : 19,760,225 = 8,438,414.48 : x - Step 2: Convert to fraction form
14,318,532.12/19,760,225 = 8,438,414.48/x - Step 3: Cross multiply
14,318,532.12x = 19,760,225 × 8,438,414.48 - Step 4: Simplify right side
14,318,532.12x = 166,744,968,768,058 - Step 5: Solve for x
x = 166,744,968,768,058/14,318,532.12 - Step 6: Final answer
x = 11,645,395.45
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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.