Finding the Fourth Proportional to 14,975,752.11, 20,679,135.62 and 9,478,824.21
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Solution
The fourth proportional to 14,975,752.11, 20,679,135.62 and 9,478,824.21 is: 13,088,751.05
Step by Step Solution
- Step 1: Write the proportion equation
14,975,752.11 : 20,679,135.62 = 9,478,824.21 : x - Step 2: Convert to fraction form
14,975,752.11/20,679,135.62 = 9,478,824.21/x - Step 3: Cross multiply
14,975,752.11x = 20,679,135.62 × 9,478,824.21 - Step 4: Simplify right side
14,975,752.11x = 196,013,891,205,939.56 - Step 5: Solve for x
x = 196,013,891,205,939.56/14,975,752.11 - Step 6: Final answer
x = 13,088,751.05
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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.