Finding the Fourth Proportional to 19,642,114.20, 27,107,479.98 and 11,907,482.52
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Solution
The fourth proportional to 19,642,114.20, 27,107,479.98 and 11,907,482.52 is: 16,433,151.78
Step by Step Solution
- Step 1: Write the proportion equation
19,642,114.20 : 27,107,479.98 = 11,907,482.52 : x - Step 2: Convert to fraction form
19,642,114.20/27,107,479.98 = 11,907,482.52/x - Step 3: Cross multiply
19,642,114.20x = 27,107,479.98 × 11,907,482.52 - Step 4: Simplify right side
19,642,114.20x = 322,781,844,023,099.94 - Step 5: Solve for x
x = 322,781,844,023,099.94/19,642,114.20 - Step 6: Final answer
x = 16,433,151.78
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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.