Finding the Fourth Proportional to 11,339,631.36, 15,648,949.44 and 6,444,082.08
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Solution
The fourth proportional to 11,339,631.36, 15,648,949.44 and 6,444,082.08 is: 8,892,979.98
Step by Step Solution
- Step 1: Write the proportion equation
11,339,631.36 : 15,648,949.44 = 6,444,082.08 : x - Step 2: Convert to fraction form
11,339,631.36/15,648,949.44 = 6,444,082.08/x - Step 3: Cross multiply
11,339,631.36x = 15,648,949.44 × 6,444,082.08 - Step 4: Simplify right side
11,339,631.36x = 100,843,114,657,130.03 - Step 5: Solve for x
x = 100,843,114,657,130.03/11,339,631.36 - Step 6: Final answer
x = 8,892,979.98
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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.