Finding the Fourth Proportional to 18,051,855.12, 24,916,005.18 and 11,084,202.18
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Solution
The fourth proportional to 18,051,855.12, 24,916,005.18 and 11,084,202.18 is: 15,298,928.40
Step by Step Solution
- Step 1: Write the proportion equation
18,051,855.12 : 24,916,005.18 = 11,084,202.18 : x - Step 2: Convert to fraction form
18,051,855.12/24,916,005.18 = 11,084,202.18/x - Step 3: Cross multiply
18,051,855.12x = 24,916,005.18 × 11,084,202.18 - Step 4: Simplify right side
18,051,855.12x = 276,174,038,933,047.28 - Step 5: Solve for x
x = 276,174,038,933,047.28/18,051,855.12 - Step 6: Final answer
x = 15,298,928.40
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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.