Finding the Fourth Proportional to 8,392,270.80, 12,588,364 and 7,251,562.12
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Solution
The fourth proportional to 8,392,270.80, 12,588,364 and 7,251,562.12 is: 10,877,306.72
Step by Step Solution
- Step 1: Write the proportion equation
8,392,270.80 : 12,588,364 = 7,251,562.12 : x - Step 2: Convert to fraction form
8,392,270.80/12,588,364 = 7,251,562.12/x - Step 3: Cross multiply
8,392,270.80x = 12,588,364 × 7,251,562.12 - Step 4: Simplify right side
8,392,270.80x = 91,285,303,535,171.69 - Step 5: Solve for x
x = 91,285,303,535,171.69/8,392,270.80 - Step 6: Final answer
x = 10,877,306.72
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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.