Finding the Fourth Proportional to 15,119,511.48, 20,865,270.06 and 8,592,112.44
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Solution
The fourth proportional to 15,119,511.48, 20,865,270.06 and 8,592,112.44 is: 11,857,310.78
Step by Step Solution
- Step 1: Write the proportion equation
15,119,511.48 : 20,865,270.06 = 8,592,112.44 : x - Step 2: Convert to fraction form
15,119,511.48/20,865,270.06 = 8,592,112.44/x - Step 3: Cross multiply
15,119,511.48x = 20,865,270.06 × 8,592,112.44 - Step 4: Simplify right side
15,119,511.48x = 179,276,746,446,485.53 - Step 5: Solve for x
x = 179,276,746,446,485.53/15,119,511.48 - Step 6: Final answer
x = 11,857,310.78
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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.