Finding the Fourth Proportional to 11,379,272.20, 17,068,908.30 and 3,292,511.65
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Solution
The fourth proportional to 11,379,272.20, 17,068,908.30 and 3,292,511.65 is: 4,938,767.48
Step by Step Solution
- Step 1: Write the proportion equation
11,379,272.20 : 17,068,908.30 = 3,292,511.65 : x - Step 2: Convert to fraction form
11,379,272.20/17,068,908.30 = 3,292,511.65/x - Step 3: Cross multiply
11,379,272.20x = 17,068,908.30 × 3,292,511.65 - Step 4: Simplify right side
11,379,272.20x = 56,199,579,430,531.70 - Step 5: Solve for x
x = 56,199,579,430,531.70/11,379,272.20 - Step 6: Final answer
x = 4,938,767.48
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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.