Finding the Fourth Proportional to 16,382,721.40, 24,542,747.70 and 8,807,169.40
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Solution
The fourth proportional to 16,382,721.40, 24,542,747.70 and 8,807,169.40 is: 13,193,909.07
Step by Step Solution
- Step 1: Write the proportion equation
16,382,721.40 : 24,542,747.70 = 8,807,169.40 : x - Step 2: Convert to fraction form
16,382,721.40/24,542,747.70 = 8,807,169.40/x - Step 3: Cross multiply
16,382,721.40x = 24,542,747.70 × 8,807,169.40 - Step 4: Simplify right side
16,382,721.40x = 216,152,136,535,360.38 - Step 5: Solve for x
x = 216,152,136,535,360.38/16,382,721.40 - Step 6: Final answer
x = 13,193,909.07
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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.