Finding the Fourth Proportional to 11,228,153.61, 15,494,944.64 and 6,199,065.10
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Solution
The fourth proportional to 11,228,153.61, 15,494,944.64 and 6,199,065.10 is: 8,554,760.99
Step by Step Solution
- Step 1: Write the proportion equation
11,228,153.61 : 15,494,944.64 = 6,199,065.10 : x - Step 2: Convert to fraction form
11,228,153.61/15,494,944.64 = 6,199,065.10/x - Step 3: Cross multiply
11,228,153.61x = 15,494,944.64 × 6,199,065.10 - Step 4: Simplify right side
11,228,153.61x = 96,054,170,544,256.06 - Step 5: Solve for x
x = 96,054,170,544,256.06/11,228,153.61 - Step 6: Final answer
x = 8,554,760.99
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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.