Finding the Fourth Proportional to 15,560,236.99, 21,473,156.76 and 8,590,928.03
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Solution
The fourth proportional to 15,560,236.99, 21,473,156.76 and 8,590,928.03 is: 11,855,497.08
Step by Step Solution
- Step 1: Write the proportion equation
15,560,236.99 : 21,473,156.76 = 8,590,928.03 : x - Step 2: Convert to fraction form
15,560,236.99/21,473,156.76 = 8,590,928.03/x - Step 3: Cross multiply
15,560,236.99x = 21,473,156.76 × 8,590,928.03 - Step 4: Simplify right side
15,560,236.99x = 184,474,344,273,222.09 - Step 5: Solve for x
x = 184,474,344,273,222.09/15,560,236.99 - Step 6: Final answer
x = 11,855,497.08
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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.