Finding the Fourth Proportional to 8,685,390.72, 13,028,179.62 and 2,620,174.99
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Solution
The fourth proportional to 8,685,390.72, 13,028,179.62 and 2,620,174.99 is: 3,930,290.70
Step by Step Solution
- Step 1: Write the proportion equation
8,685,390.72 : 13,028,179.62 = 2,620,174.99 : x - Step 2: Convert to fraction form
8,685,390.72/13,028,179.62 = 2,620,174.99/x - Step 3: Cross multiply
8,685,390.72x = 13,028,179.62 × 2,620,174.99 - Step 4: Simplify right side
8,685,390.72x = 34,136,110,405,551.70 - Step 5: Solve for x
x = 34,136,110,405,551.70/8,685,390.72 - Step 6: Final answer
x = 3,930,290.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.