Finding the Fourth Proportional to 19,989,262.71, 29,964,739.26 and 8,458,868.53
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Solution
The fourth proportional to 19,989,262.71, 29,964,739.26 and 8,458,868.53 is: 12,680,197.04
Step by Step Solution
- Step 1: Write the proportion equation
19,989,262.71 : 29,964,739.26 = 8,458,868.53 : x - Step 2: Convert to fraction form
19,989,262.71/29,964,739.26 = 8,458,868.53/x - Step 3: Cross multiply
19,989,262.71x = 29,964,739.26 × 8,458,868.53 - Step 4: Simplify right side
19,989,262.71x = 253,467,789,936,069.47 - Step 5: Solve for x
x = 253,467,789,936,069.47/19,989,262.71 - Step 6: Final answer
x = 12,680,197.04
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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.