Finding the Fourth Proportional to 20,277,089.36, 30,416,022.84 and 6,630,287.12
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Solution
The fourth proportional to 20,277,089.36, 30,416,022.84 and 6,630,287.12 is: 9,945,557.81
Step by Step Solution
- Step 1: Write the proportion equation
20,277,089.36 : 30,416,022.84 = 6,630,287.12 : x - Step 2: Convert to fraction form
20,277,089.36/30,416,022.84 = 6,630,287.12/x - Step 3: Cross multiply
20,277,089.36x = 30,416,022.84 × 6,630,287.12 - Step 4: Simplify right side
20,277,089.36x = 201,666,964,477,677.81 - Step 5: Solve for x
x = 201,666,964,477,677.81/20,277,089.36 - Step 6: Final answer
x = 9,945,557.81
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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.