Finding the Fourth Proportional to 16,392,428.44, 22,623,534.84 and 9,329,738.80
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Solution
The fourth proportional to 16,392,428.44, 22,623,534.84 and 9,329,738.80 is: 12,876,168.50
Step by Step Solution
- Step 1: Write the proportion equation
16,392,428.44 : 22,623,534.84 = 9,329,738.80 : x - Step 2: Convert to fraction form
16,392,428.44/22,623,534.84 = 9,329,738.80/x - Step 3: Cross multiply
16,392,428.44x = 22,623,534.84 × 9,329,738.80 - Step 4: Simplify right side
16,392,428.44x = 211,071,670,789,899.81 - Step 5: Solve for x
x = 211,071,670,789,899.81/16,392,428.44 - Step 6: Final answer
x = 12,876,168.50
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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.