Finding the Fourth Proportional to 9,639,485.30, 14,482,847.55 and 7,248,000.80
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Solution
The fourth proportional to 9,639,485.30, 14,482,847.55 and 7,248,000.80 is: 10,889,760.95
Step by Step Solution
- Step 1: Write the proportion equation
9,639,485.30 : 14,482,847.55 = 7,248,000.80 : x - Step 2: Convert to fraction form
9,639,485.30/14,482,847.55 = 7,248,000.80/x - Step 3: Cross multiply
9,639,485.30x = 14,482,847.55 × 7,248,000.80 - Step 4: Simplify right side
9,639,485.30x = 104,971,690,628,678.05 - Step 5: Solve for x
x = 104,971,690,628,678.05/9,639,485.30 - Step 6: Final answer
x = 10,889,760.95
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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.