Finding the Fourth Proportional to 38,939,888.18, 53,753,591.70 and 24,262,806.03
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Solution
The fourth proportional to 38,939,888.18, 53,753,591.70 and 24,262,806.03 is: 33,492,981.87
Step by Step Solution
- Step 1: Write the proportion equation
38,939,888.18 : 53,753,591.70 = 24,262,806.03 : x - Step 2: Convert to fraction form
38,939,888.18/53,753,591.70 = 24,262,806.03/x - Step 3: Cross multiply
38,939,888.18x = 53,753,591.70 × 24,262,806.03 - Step 4: Simplify right side
38,939,888.18x = 1,304,212,968,832,918 - Step 5: Solve for x
x = 1,304,212,968,832,918/38,939,888.18 - Step 6: Final answer
x = 33,492,981.87
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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.