Finding the Fourth Proportional to 10,251,234.96, 14,145,457.32 and 5,666,920.08
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Solution
The fourth proportional to 10,251,234.96, 14,145,457.32 and 5,666,920.08 is: 7,819,660.41
Step by Step Solution
- Step 1: Write the proportion equation
10,251,234.96 : 14,145,457.32 = 5,666,920.08 : x - Step 2: Convert to fraction form
10,251,234.96/14,145,457.32 = 5,666,920.08/x - Step 3: Cross multiply
10,251,234.96x = 14,145,457.32 × 5,666,920.08 - Step 4: Simplify right side
10,251,234.96x = 80,161,176,127,490.98 - Step 5: Solve for x
x = 80,161,176,127,490.98/10,251,234.96 - Step 6: Final answer
x = 7,819,660.41
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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.