Finding the Fourth Proportional to 18,208,624.76, 27,310,575.16 and 8,630,089.64
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Solution
The fourth proportional to 18,208,624.76, 27,310,575.16 and 8,630,089.64 is: 12,944,014.99
Step by Step Solution
- Step 1: Write the proportion equation
18,208,624.76 : 27,310,575.16 = 8,630,089.64 : x - Step 2: Convert to fraction form
18,208,624.76/27,310,575.16 = 8,630,089.64/x - Step 3: Cross multiply
18,208,624.76x = 27,310,575.16 × 8,630,089.64 - Step 4: Simplify right side
18,208,624.76x = 235,692,711,750,757.38 - Step 5: Solve for x
x = 235,692,711,750,757.38/18,208,624.76 - Step 6: Final answer
x = 12,944,014.99
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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.