Finding the Fourth Proportional to 7,488,515.36, 11,230,630.32 and 2,440,267.04
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Solution
The fourth proportional to 7,488,515.36, 11,230,630.32 and 2,440,267.04 is: 3,659,702.32
Step by Step Solution
- Step 1: Write the proportion equation
7,488,515.36 : 11,230,630.32 = 2,440,267.04 : x - Step 2: Convert to fraction form
7,488,515.36/11,230,630.32 = 2,440,267.04/x - Step 3: Cross multiply
7,488,515.36x = 11,230,630.32 × 2,440,267.04 - Step 4: Simplify right side
7,488,515.36x = 27,405,737,008,320.65 - Step 5: Solve for x
x = 27,405,737,008,320.65/7,488,515.36 - Step 6: Final answer
x = 3,659,702.32
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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.