Finding the Fourth Proportional to 14,163,757.80, 21,217,643.10 and 7,762,554.60
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Solution
The fourth proportional to 14,163,757.80, 21,217,643.10 and 7,762,554.60 is: 11,628,489.80
Step by Step Solution
- Step 1: Write the proportion equation
14,163,757.80 : 21,217,643.10 = 7,762,554.60 : x - Step 2: Convert to fraction form
14,163,757.80/21,217,643.10 = 7,762,554.60/x - Step 3: Cross multiply
14,163,757.80x = 21,217,643.10 × 7,762,554.60 - Step 4: Simplify right side
14,163,757.80x = 164,703,113,047,063.25 - Step 5: Solve for x
x = 164,703,113,047,063.25/14,163,757.80 - Step 6: Final answer
x = 11,628,489.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.