Finding the Fourth Proportional to 27,092,482.74, 40,642,812.99 and 7,920,832.50
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Solution
The fourth proportional to 27,092,482.74, 40,642,812.99 and 7,920,832.50 is: 11,882,444.19
Step by Step Solution
- Step 1: Write the proportion equation
27,092,482.74 : 40,642,812.99 = 7,920,832.50 : x - Step 2: Convert to fraction form
27,092,482.74/40,642,812.99 = 7,920,832.50/x - Step 3: Cross multiply
27,092,482.74x = 40,642,812.99 × 7,920,832.50 - Step 4: Simplify right side
27,092,482.74x = 321,924,914,022,614.19 - Step 5: Solve for x
x = 321,924,914,022,614.19/27,092,482.74 - Step 6: Final answer
x = 11,882,444.19
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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.