Finding the Fourth Proportional to 9,563,609.70, 13,197,664.80 and 5,212,682.28
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Solution
The fourth proportional to 9,563,609.70, 13,197,664.80 and 5,212,682.28 is: 7,193,438.00
Step by Step Solution
- Step 1: Write the proportion equation
9,563,609.70 : 13,197,664.80 = 5,212,682.28 : x - Step 2: Convert to fraction form
9,563,609.70/13,197,664.80 = 5,212,682.28/x - Step 3: Cross multiply
9,563,609.70x = 13,197,664.80 × 5,212,682.28 - Step 4: Simplify right side
9,563,609.70x = 68,795,233,440,339.75 - Step 5: Solve for x
x = 68,795,233,440,339.75/9,563,609.70 - Step 6: Final answer
x = 7,193,438.00
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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.