Finding the Fourth Proportional to 26,202,370.30, 39,309,085.05 and 8,253,288.70
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Solution
The fourth proportional to 26,202,370.30, 39,309,085.05 and 8,253,288.70 is: 12,381,674.78
Step by Step Solution
- Step 1: Write the proportion equation
26,202,370.30 : 39,309,085.05 = 8,253,288.70 : x - Step 2: Convert to fraction form
26,202,370.30/39,309,085.05 = 8,253,288.70/x - Step 3: Cross multiply
26,202,370.30x = 39,309,085.05 × 8,253,288.70 - Step 4: Simplify right side
26,202,370.30x = 324,429,227,450,503.94 - Step 5: Solve for x
x = 324,429,227,450,503.94/26,202,370.30 - Step 6: Final answer
x = 12,381,674.78
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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.