Finding the Fourth Proportional to 20,229,840, 27,917,167.14 and 11,062,482.84
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Solution
The fourth proportional to 20,229,840, 27,917,167.14 and 11,062,482.84 is: 15,266,219.72
Step by Step Solution
- Step 1: Write the proportion equation
20,229,840 : 27,917,167.14 = 11,062,482.84 : x - Step 2: Convert to fraction form
20,229,840/27,917,167.14 = 11,062,482.84/x - Step 3: Cross multiply
20,229,840x = 27,917,167.14 × 11,062,482.84 - Step 4: Simplify right side
20,229,840x = 308,833,182,427,661.88 - Step 5: Solve for x
x = 308,833,182,427,661.88/20,229,840 - Step 6: Final answer
x = 15,266,219.72
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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.