Finding the Fourth Proportional to 19,722,310.22, 29,583,465.41 and 5,345,378.03
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Solution
The fourth proportional to 19,722,310.22, 29,583,465.41 and 5,345,378.03 is: 8,018,067.07
Step by Step Solution
- Step 1: Write the proportion equation
19,722,310.22 : 29,583,465.41 = 5,345,378.03 : x - Step 2: Convert to fraction form
19,722,310.22/29,583,465.41 = 5,345,378.03/x - Step 3: Cross multiply
19,722,310.22x = 29,583,465.41 × 5,345,378.03 - Step 4: Simplify right side
19,722,310.22x = 158,134,806,053,878.94 - Step 5: Solve for x
x = 158,134,806,053,878.94/19,722,310.22 - Step 6: Final answer
x = 8,018,067.07
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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.