Finding the Fourth Proportional to 8,685,349.29, 13,028,117.49 and 2,620,133.55
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Solution
The fourth proportional to 8,685,349.29, 13,028,117.49 and 2,620,133.55 is: 3,930,228.55
Step by Step Solution
- Step 1: Write the proportion equation
8,685,349.29 : 13,028,117.49 = 2,620,133.55 : x - Step 2: Convert to fraction form
8,685,349.29/13,028,117.49 = 2,620,133.55/x - Step 3: Cross multiply
8,685,349.29x = 13,028,117.49 × 2,620,133.55 - Step 4: Simplify right side
8,685,349.29x = 34,135,407,728,890.79 - Step 5: Solve for x
x = 34,135,407,728,890.79/8,685,349.29 - Step 6: Final answer
x = 3,930,228.55
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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.