Finding the Fourth Proportional to 7,624,290.42, 11,436,439.68 and 4,786,395.48
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Solution
The fourth proportional to 7,624,290.42, 11,436,439.68 and 4,786,395.48 is: 7,179,595.76
Step by Step Solution
- Step 1: Write the proportion equation
7,624,290.42 : 11,436,439.68 = 4,786,395.48 : x - Step 2: Convert to fraction form
7,624,290.42/11,436,439.68 = 4,786,395.48/x - Step 3: Cross multiply
7,624,290.42x = 11,436,439.68 × 4,786,395.48 - Step 4: Simplify right side
7,624,290.42x = 54,739,323,191,644.65 - Step 5: Solve for x
x = 54,739,323,191,644.65/7,624,290.42 - Step 6: Final answer
x = 7,179,595.76
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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.