Finding the Fourth Proportional to 19,474,365.42, 29,214,205.20 and 8,112,156.84
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Solution
The fourth proportional to 19,474,365.42, 29,214,205.20 and 8,112,156.84 is: 12,169,342.08
Step by Step Solution
- Step 1: Write the proportion equation
19,474,365.42 : 29,214,205.20 = 8,112,156.84 : x - Step 2: Convert to fraction form
19,474,365.42/29,214,205.20 = 8,112,156.84/x - Step 3: Cross multiply
19,474,365.42x = 29,214,205.20 × 8,112,156.84 - Step 4: Simplify right side
19,474,365.42x = 236,990,214,538,343.56 - Step 5: Solve for x
x = 236,990,214,538,343.56/19,474,365.42 - Step 6: Final answer
x = 12,169,342.08
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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.