Finding the Fourth Proportional to 19,267,350.13, 28,901,121.79 and 4,890,422.19
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Solution
The fourth proportional to 19,267,350.13, 28,901,121.79 and 4,890,422.19 is: 7,335,657.80
Step by Step Solution
- Step 1: Write the proportion equation
19,267,350.13 : 28,901,121.79 = 4,890,422.19 : x - Step 2: Convert to fraction form
19,267,350.13/28,901,121.79 = 4,890,422.19/x - Step 3: Cross multiply
19,267,350.13x = 28,901,121.79 × 4,890,422.19 - Step 4: Simplify right side
19,267,350.13x = 141,338,687,317,708.53 - Step 5: Solve for x
x = 141,338,687,317,708.53/19,267,350.13 - Step 6: Final answer
x = 7,335,657.80
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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.