Finding the Fourth Proportional to 11,078,731.54, 15,291,200.44 and 6,496,529.14
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Solution
The fourth proportional to 11,078,731.54, 15,291,200.44 and 6,496,529.14 is: 8,966,706.06
Step by Step Solution
- Step 1: Write the proportion equation
11,078,731.54 : 15,291,200.44 = 6,496,529.14 : x - Step 2: Convert to fraction form
11,078,731.54/15,291,200.44 = 6,496,529.14/x - Step 3: Cross multiply
11,078,731.54x = 15,291,200.44 × 6,496,529.14 - Step 4: Simplify right side
11,078,731.54x = 99,339,729,219,141.36 - Step 5: Solve for x
x = 99,339,729,219,141.36/11,078,731.54 - Step 6: Final answer
x = 8,966,706.06
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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.