Finding the Fourth Proportional to 18,974,204.96, 28,443,125.34 and 8,029,338.62
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Solution
The fourth proportional to 18,974,204.96, 28,443,125.34 and 8,029,338.62 is: 12,036,313.79
Step by Step Solution
- Step 1: Write the proportion equation
18,974,204.96 : 28,443,125.34 = 8,029,338.62 : x - Step 2: Convert to fraction form
18,974,204.96/28,443,125.34 = 8,029,338.62/x - Step 3: Cross multiply
18,974,204.96x = 28,443,125.34 × 8,029,338.62 - Step 4: Simplify right side
18,974,204.96x = 228,379,484,765,962.62 - Step 5: Solve for x
x = 228,379,484,765,962.62/18,974,204.96 - Step 6: Final answer
x = 12,036,313.79
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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.