Finding the Fourth Proportional to 19,474,361.92, 29,214,199.95 and 8,112,153.34
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Solution
The fourth proportional to 19,474,361.92, 29,214,199.95 and 8,112,153.34 is: 12,169,336.83
Step by Step Solution
- Step 1: Write the proportion equation
19,474,361.92 : 29,214,199.95 = 8,112,153.34 : x - Step 2: Convert to fraction form
19,474,361.92/29,214,199.95 = 8,112,153.34/x - Step 3: Cross multiply
19,474,361.92x = 29,214,199.95 × 8,112,153.34 - Step 4: Simplify right side
19,474,361.92x = 236,990,069,699,820.31 - Step 5: Solve for x
x = 236,990,069,699,820.31/19,474,361.92 - Step 6: Final answer
x = 12,169,336.83
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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.