Finding the Fourth Proportional to 11,115,477.68, 15,339,359.20 and 6,028,245.68
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Solution
The fourth proportional to 11,115,477.68, 15,339,359.20 and 6,028,245.68 is: 8,318,979.04
Step by Step Solution
- Step 1: Write the proportion equation
11,115,477.68 : 15,339,359.20 = 6,028,245.68 : x - Step 2: Convert to fraction form
11,115,477.68/15,339,359.20 = 6,028,245.68/x - Step 3: Cross multiply
11,115,477.68x = 15,339,359.20 × 6,028,245.68 - Step 4: Simplify right side
11,115,477.68x = 92,469,425,831,368.25 - Step 5: Solve for x
x = 92,469,425,831,368.25/11,115,477.68 - Step 6: Final answer
x = 8,318,979.04
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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.