Finding the Fourth Proportional to 13,855,566.24, 19,120,351.14 and 7,744,563.36
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Solution
The fourth proportional to 13,855,566.24, 19,120,351.14 and 7,744,563.36 is: 10,687,312.83
Step by Step Solution
- Step 1: Write the proportion equation
13,855,566.24 : 19,120,351.14 = 7,744,563.36 : x - Step 2: Convert to fraction form
13,855,566.24/19,120,351.14 = 7,744,563.36/x - Step 3: Cross multiply
13,855,566.24x = 19,120,351.14 × 7,744,563.36 - Step 4: Simplify right side
13,855,566.24x = 148,078,770,869,178.25 - Step 5: Solve for x
x = 148,078,770,869,178.25/13,855,566.24 - Step 6: Final answer
x = 10,687,312.83
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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.