Finding the Fourth Proportional to 8,359,625.36, 11,536,409.40 and 4,689,355.52
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Solution
The fourth proportional to 8,359,625.36, 11,536,409.40 and 4,689,355.52 is: 6,471,381.52
Step by Step Solution
- Step 1: Write the proportion equation
8,359,625.36 : 11,536,409.40 = 4,689,355.52 : x - Step 2: Convert to fraction form
8,359,625.36/11,536,409.40 = 4,689,355.52/x - Step 3: Cross multiply
8,359,625.36x = 11,536,409.40 × 4,689,355.52 - Step 4: Simplify right side
8,359,625.36x = 54,098,325,100,869.88 - Step 5: Solve for x
x = 54,098,325,100,869.88/8,359,625.36 - Step 6: Final answer
x = 6,471,381.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.