Finding the Fourth Proportional to 14,187,546.71, 19,574,763.88 and 7,990,425.92
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Solution
The fourth proportional to 14,187,546.71, 19,574,763.88 and 7,990,425.92 is: 11,024,506.48
Step by Step Solution
- Step 1: Write the proportion equation
14,187,546.71 : 19,574,763.88 = 7,990,425.92 : x - Step 2: Convert to fraction form
14,187,546.71/19,574,763.88 = 7,990,425.92/x - Step 3: Cross multiply
14,187,546.71x = 19,574,763.88 × 7,990,425.92 - Step 4: Simplify right side
14,187,546.71x = 156,410,700,684,631.75 - Step 5: Solve for x
x = 156,410,700,684,631.75/14,187,546.71 - Step 6: Final answer
x = 11,024,506.48
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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.