Finding the Fourth Proportional to 8,221,574.97, 12,326,757.26 and 4,170,250.71
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Solution
The fourth proportional to 8,221,574.97, 12,326,757.26 and 4,170,250.71 is: 6,252,532.92
Step by Step Solution
- Step 1: Write the proportion equation
8,221,574.97 : 12,326,757.26 = 4,170,250.71 : x - Step 2: Convert to fraction form
8,221,574.97/12,326,757.26 = 4,170,250.71/x - Step 3: Cross multiply
8,221,574.97x = 12,326,757.26 × 4,170,250.71 - Step 4: Simplify right side
8,221,574.97x = 51,405,668,194,661.41 - Step 5: Solve for x
x = 51,405,668,194,661.41/8,221,574.97 - Step 6: Final answer
x = 6,252,532.92
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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.