Finding the Fourth Proportional to 22,990,816.44, 34,488,892.80 and 7,639,476.12
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Solution
The fourth proportional to 22,990,816.44, 34,488,892.80 and 7,639,476.12 is: 11,460,100.76
Step by Step Solution
- Step 1: Write the proportion equation
22,990,816.44 : 34,488,892.80 = 7,639,476.12 : x - Step 2: Convert to fraction form
22,990,816.44/34,488,892.80 = 7,639,476.12/x - Step 3: Cross multiply
22,990,816.44x = 34,488,892.80 × 7,639,476.12 - Step 4: Simplify right side
22,990,816.44x = 263,477,072,950,839.91 - Step 5: Solve for x
x = 263,477,072,950,839.91/22,990,816.44 - Step 6: Final answer
x = 11,460,100.76
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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.