Finding the Fourth Proportional to 18,028,363.08, 27,043,529.58 and 4,565,307.72
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Solution
The fourth proportional to 18,028,363.08, 27,043,529.58 and 4,565,307.72 is: 6,848,211.00
Step by Step Solution
- Step 1: Write the proportion equation
18,028,363.08 : 27,043,529.58 = 4,565,307.72 : x - Step 2: Convert to fraction form
18,028,363.08/27,043,529.58 = 4,565,307.72/x - Step 3: Cross multiply
18,028,363.08x = 27,043,529.58 × 4,565,307.72 - Step 4: Simplify right side
18,028,363.08x = 123,462,034,367,622.34 - Step 5: Solve for x
x = 123,462,034,367,622.34/18,028,363.08 - Step 6: Final answer
x = 6,848,211.00
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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.