Finding the Fourth Proportional to 16,620,972.80, 24,936,124.80 and 8,101,587.20
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Solution
The fourth proportional to 16,620,972.80, 24,936,124.80 and 8,101,587.20 is: 12,154,654.96
Step by Step Solution
- Step 1: Write the proportion equation
16,620,972.80 : 24,936,124.80 = 8,101,587.20 : x - Step 2: Convert to fraction form
16,620,972.80/24,936,124.80 = 8,101,587.20/x - Step 3: Cross multiply
16,620,972.80x = 24,936,124.80 × 8,101,587.20 - Step 4: Simplify right side
16,620,972.80x = 202,022,189,497,282.56 - Step 5: Solve for x
x = 202,022,189,497,282.56/16,620,972.80 - Step 6: Final answer
x = 12,154,654.96
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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.