Finding the Fourth Proportional to 20,159,369.95, 30,230,647.08 and 6,322,763.79
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Solution
The fourth proportional to 20,159,369.95, 30,230,647.08 and 6,322,763.79 is: 9,481,508.66
Step by Step Solution
- Step 1: Write the proportion equation
20,159,369.95 : 30,230,647.08 = 6,322,763.79 : x - Step 2: Convert to fraction form
20,159,369.95/30,230,647.08 = 6,322,763.79/x - Step 3: Cross multiply
20,159,369.95x = 30,230,647.08 × 6,322,763.79 - Step 4: Simplify right side
20,159,369.95x = 191,141,240,705,693.22 - Step 5: Solve for x
x = 191,141,240,705,693.22/20,159,369.95 - Step 6: Final answer
x = 9,481,508.66
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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.