Finding the Fourth Proportional to 10,208,561.45, 14,088,807.60 and 7,625,758.19
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Solution
The fourth proportional to 10,208,561.45, 14,088,807.60 and 7,625,758.19 is: 10,524,287.92
Step by Step Solution
- Step 1: Write the proportion equation
10,208,561.45 : 14,088,807.60 = 7,625,758.19 : x - Step 2: Convert to fraction form
10,208,561.45/14,088,807.60 = 7,625,758.19/x - Step 3: Cross multiply
10,208,561.45x = 14,088,807.60 × 7,625,758.19 - Step 4: Simplify right side
10,208,561.45x = 107,437,839,943,034.25 - Step 5: Solve for x
x = 107,437,839,943,034.25/10,208,561.45 - Step 6: Final answer
x = 10,524,287.92
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1.5x scale
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.