Finding the Fourth Proportional to 14,353,805.18, 19,808,729.34 and 7,827,790.70
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Solution
The fourth proportional to 14,353,805.18, 19,808,729.34 and 7,827,790.70 is: 10,802,611.95
Step by Step Solution
- Step 1: Write the proportion equation
14,353,805.18 : 19,808,729.34 = 7,827,790.70 : x - Step 2: Convert to fraction form
14,353,805.18/19,808,729.34 = 7,827,790.70/x - Step 3: Cross multiply
14,353,805.18x = 19,808,729.34 × 7,827,790.70 - Step 4: Simplify right side
14,353,805.18x = 155,058,587,306,469.12 - Step 5: Solve for x
x = 155,058,587,306,469.12/14,353,805.18 - Step 6: Final answer
x = 10,802,611.95
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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.