Finding the Fourth Proportional to 16,382,811.40, 24,542,882.70 and 8,807,259.40
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Solution
The fourth proportional to 16,382,811.40, 24,542,882.70 and 8,807,259.40 is: 13,194,043.99
Step by Step Solution
- Step 1: Write the proportion equation
16,382,811.40 : 24,542,882.70 = 8,807,259.40 : x - Step 2: Convert to fraction form
16,382,811.40/24,542,882.70 = 8,807,259.40/x - Step 3: Cross multiply
16,382,811.40x = 24,542,882.70 × 8,807,259.40 - Step 4: Simplify right side
16,382,811.40x = 216,155,534,362,672.38 - Step 5: Solve for x
x = 216,155,534,362,672.38/16,382,811.40 - Step 6: Final answer
x = 13,194,043.99
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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.