Finding the Fourth Proportional to 20,374,964.94, 30,551,930.37 and 5,996,165.70
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Solution
The fourth proportional to 20,374,964.94, 30,551,930.37 and 5,996,165.70 is: 8,991,153.48
Step by Step Solution
- Step 1: Write the proportion equation
20,374,964.94 : 30,551,930.37 = 5,996,165.70 : x - Step 2: Convert to fraction form
20,374,964.94/30,551,930.37 = 5,996,165.70/x - Step 3: Cross multiply
20,374,964.94x = 30,551,930.37 × 5,996,165.70 - Step 4: Simplify right side
20,374,964.94x = 183,194,436,953,382.31 - Step 5: Solve for x
x = 183,194,436,953,382.31/20,374,964.94 - Step 6: Final answer
x = 8,991,153.48
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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.