Finding the Fourth Proportional to 12,341,133.68, 18,518,700 and 6,661,232.24
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Solution
The fourth proportional to 12,341,133.68, 18,518,700 and 6,661,232.24 is: 9,995,626.39
Step by Step Solution
- Step 1: Write the proportion equation
12,341,133.68 : 18,518,700 = 6,661,232.24 : x - Step 2: Convert to fraction form
12,341,133.68/18,518,700 = 6,661,232.24/x - Step 3: Cross multiply
12,341,133.68x = 18,518,700 × 6,661,232.24 - Step 4: Simplify right side
12,341,133.68x = 123,357,361,482,888 - Step 5: Solve for x
x = 123,357,361,482,888/12,341,133.68 - Step 6: Final answer
x = 9,995,626.39
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1.5x scale
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.