Finding the Fourth Proportional to 10,890,623.80, 16,335,935.70 and 9,397,631.80
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Solution
The fourth proportional to 10,890,623.80, 16,335,935.70 and 9,397,631.80 is: 14,096,447.70
Step by Step Solution
- Step 1: Write the proportion equation
10,890,623.80 : 16,335,935.70 = 9,397,631.80 : x - Step 2: Convert to fraction form
10,890,623.80/16,335,935.70 = 9,397,631.80/x - Step 3: Cross multiply
10,890,623.80x = 16,335,935.70 × 9,397,631.80 - Step 4: Simplify right side
10,890,623.80x = 153,519,108,817,075.25 - Step 5: Solve for x
x = 153,519,108,817,075.25/10,890,623.80 - Step 6: Final answer
x = 14,096,447.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.