Finding the Fourth Proportional to 16,488,468.80, 24,732,703.20 and 12,183,796.70
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Solution
The fourth proportional to 16,488,468.80, 24,732,703.20 and 12,183,796.70 is: 18,275,695.05
Step by Step Solution
- Step 1: Write the proportion equation
16,488,468.80 : 24,732,703.20 = 12,183,796.70 : x - Step 2: Convert to fraction form
16,488,468.80/24,732,703.20 = 12,183,796.70/x - Step 3: Cross multiply
16,488,468.80x = 24,732,703.20 × 12,183,796.70 - Step 4: Simplify right side
16,488,468.80x = 301,338,227,630,239.44 - Step 5: Solve for x
x = 301,338,227,630,239.44/16,488,468.80 - Step 6: Final answer
x = 18,275,695.05
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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.