Finding the Fourth Proportional to 14,660,005.24, 20,230,121.82 and 8,133,565.24
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Solution
The fourth proportional to 14,660,005.24, 20,230,121.82 and 8,133,565.24 is: 11,223,939.76
Step by Step Solution
- Step 1: Write the proportion equation
14,660,005.24 : 20,230,121.82 = 8,133,565.24 : x - Step 2: Convert to fraction form
14,660,005.24/20,230,121.82 = 8,133,565.24/x - Step 3: Cross multiply
14,660,005.24x = 20,230,121.82 × 8,133,565.24 - Step 4: Simplify right side
14,660,005.24x = 164,543,015,636,117.53 - Step 5: Solve for x
x = 164,543,015,636,117.53/14,660,005.24 - Step 6: Final answer
x = 11,223,939.76
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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.