Finding the Fourth Proportional to 13,239,563.70, 19,859,346.35 and 4,264,115.70
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Solution
The fourth proportional to 13,239,563.70, 19,859,346.35 and 4,264,115.70 is: 6,396,173.81
Step by Step Solution
- Step 1: Write the proportion equation
13,239,563.70 : 19,859,346.35 = 4,264,115.70 : x - Step 2: Convert to fraction form
13,239,563.70/19,859,346.35 = 4,264,115.70/x - Step 3: Cross multiply
13,239,563.70x = 19,859,346.35 × 4,264,115.70 - Step 4: Simplify right side
13,239,563.70x = 84,682,550,562,772.70 - Step 5: Solve for x
x = 84,682,550,562,772.70/13,239,563.70 - Step 6: Final answer
x = 6,396,173.81
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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.