Finding the Fourth Proportional to 11,085,864.21, 15,187,381.62 and 10,671,383.48
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Solution
The fourth proportional to 11,085,864.21, 15,187,381.62 and 10,671,383.48 is: 14,619,552.45
Step by Step Solution
- Step 1: Write the proportion equation
11,085,864.21 : 15,187,381.62 = 10,671,383.48 : x - Step 2: Convert to fraction form
11,085,864.21/15,187,381.62 = 10,671,383.48/x - Step 3: Cross multiply
11,085,864.21x = 15,187,381.62 × 10,671,383.48 - Step 4: Simplify right side
11,085,864.21x = 162,070,373,324,123.62 - Step 5: Solve for x
x = 162,070,373,324,123.62/11,085,864.21 - Step 6: Final answer
x = 14,619,552.45
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.