Finding the Fourth Proportional to 9,920,869.20, 14,882,686.20 and 4,241,048.40
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Solution
The fourth proportional to 9,920,869.20, 14,882,686.20 and 4,241,048.40 is: 6,362,163.56
Step by Step Solution
- Step 1: Write the proportion equation
9,920,869.20 : 14,882,686.20 = 4,241,048.40 : x - Step 2: Convert to fraction form
9,920,869.20/14,882,686.20 = 4,241,048.40/x - Step 3: Cross multiply
9,920,869.20x = 14,882,686.20 × 4,241,048.40 - Step 4: Simplify right side
9,920,869.20x = 63,118,192,496,212.09 - Step 5: Solve for x
x = 63,118,192,496,212.09/9,920,869.20 - Step 6: Final answer
x = 6,362,163.56
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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.