Finding the Fourth Proportional to 11,208,998.40, 16,811,164.80 and 3,119,884.80
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Solution
The fourth proportional to 11,208,998.40, 16,811,164.80 and 3,119,884.80 is: 4,679,177.89
Step by Step Solution
- Step 1: Write the proportion equation
11,208,998.40 : 16,811,164.80 = 3,119,884.80 : x - Step 2: Convert to fraction form
11,208,998.40/16,811,164.80 = 3,119,884.80/x - Step 3: Cross multiply
11,208,998.40x = 16,811,164.80 × 3,119,884.80 - Step 4: Simplify right side
11,208,998.40x = 52,448,897,529,815.04 - Step 5: Solve for x
x = 52,448,897,529,815.04/11,208,998.40 - Step 6: Final answer
x = 4,679,177.89
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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.