Finding the Fourth Proportional to 14,121,217.62, 21,188,980.35 and 6,444,011.70
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Solution
The fourth proportional to 14,121,217.62, 21,188,980.35 and 6,444,011.70 is: 9,669,282.14
Step by Step Solution
- Step 1: Write the proportion equation
14,121,217.62 : 21,188,980.35 = 6,444,011.70 : x - Step 2: Convert to fraction form
14,121,217.62/21,188,980.35 = 6,444,011.70/x - Step 3: Cross multiply
14,121,217.62x = 21,188,980.35 × 6,444,011.70 - Step 4: Simplify right side
14,121,217.62x = 136,542,037,286,470.11 - Step 5: Solve for x
x = 136,542,037,286,470.11/14,121,217.62 - Step 6: Final answer
x = 9,669,282.14
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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.