Finding the Fourth Proportional to 14,449,595.64, 19,921,151.89 and 11,479,155.00
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Solution
The fourth proportional to 14,449,595.64, 19,921,151.89 and 11,479,155.00 is: 15,825,909.32
Step by Step Solution
- Step 1: Write the proportion equation
14,449,595.64 : 19,921,151.89 = 11,479,155.00 : x - Step 2: Convert to fraction form
14,449,595.64/19,921,151.89 = 11,479,155.00/x - Step 3: Cross multiply
14,449,595.64x = 19,921,151.89 × 11,479,155.00 - Step 4: Simplify right side
14,449,595.64x = 228,677,990,305,049.09 - Step 5: Solve for x
x = 228,677,990,305,049.09/14,449,595.64 - Step 6: Final answer
x = 15,825,909.32
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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.