Finding the Fourth Proportional to 19,723,108.68, 27,218,492.33 and 11,021,648.04
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Solution
The fourth proportional to 19,723,108.68, 27,218,492.33 and 11,021,648.04 is: 15,210,210.90
Step by Step Solution
- Step 1: Write the proportion equation
19,723,108.68 : 27,218,492.33 = 11,021,648.04 : x - Step 2: Convert to fraction form
19,723,108.68/27,218,492.33 = 11,021,648.04/x - Step 3: Cross multiply
19,723,108.68x = 27,218,492.33 × 11,021,648.04 - Step 4: Simplify right side
19,723,108.68x = 299,992,642,585,591.25 - Step 5: Solve for x
x = 299,992,642,585,591.25/19,723,108.68 - Step 6: Final answer
x = 15,210,210.90
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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.