Finding the Fourth Proportional to 20,232,051.21, 30,344,752.98 and 8,714,440.08
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Solution
The fourth proportional to 20,232,051.21, 30,344,752.98 and 8,714,440.08 is: 13,070,228.46
Step by Step Solution
- Step 1: Write the proportion equation
20,232,051.21 : 30,344,752.98 = 8,714,440.08 : x - Step 2: Convert to fraction form
20,232,051.21/30,344,752.98 = 8,714,440.08/x - Step 3: Cross multiply
20,232,051.21x = 30,344,752.98 × 8,714,440.08 - Step 4: Simplify right side
20,232,051.21x = 264,437,531,586,611.44 - Step 5: Solve for x
x = 264,437,531,586,611.44/20,232,051.21 - Step 6: Final answer
x = 13,070,228.46
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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.